螺纹

The core bit includes shank and thread, which consists of male thread and female thread.

有直柄钻头和螺纹柄钻头之分，螺纹柄分为内螺纹和外螺纹。

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Tapered pipe threads produce radial stress in female fittings.

锥管螺纹在内螺纹内会产生径向应力.

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Material nonlinear and contact problem in connecting threads are considered in formulation.

计算中考虑了材料的非线性问题和螺纹间的接触问题.

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Leave enough space to keep the supply tube from being jammed.

尽可能长的预留供水接入的螺纹管免移机长度—够.

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The equations for thread taper, thread pitch, thread angle and height of thread can be derived on the base of fitted lines, which are accurate enough to meet the needs of industrial measurement.

该方法可测量螺纹的锥度、螺距、螺纹夹角和螺纹高度，测量精度可以满足工业测量要求。

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Tubing thread is available for API tubing threads and TM threads.

油管螺纹可采用API油管螺纹,或TM螺纹.

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The sea1ing ability of API connections mainly depends on the machining parameters of connections themselves, but the sealing aid of thread compound can not be overlooked.

螺纹接头的密封性主要取决于螺纹的加工参数，但螺纹脂对螺纹接头的辅助密封作用不应被忽略。

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Apply pipe dope sparingly on pipe threads, never on valve threads.

在管道螺纹上涂敷螺纹油, 但是不要在阀门螺纹上涂螺纹油.

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This connection has a right-hand thread ( loosens counterclockwise ).

这种接头有右手螺纹 ( 逆时针方向松开 ).

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Lamp is tightened with thread having high explosion protection performance.

灯体采用螺纹紧固,防爆性能好.

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This paper presents an analysis on three sorts of special casing thread connections and introduces the structure characteristic of its thread form, seal and torque shoulder. It also puts forward the use proceeding of special thread casing.

文章对3种特殊套管螺纹接头进行分析，阐述了其螺纹形式、密封形式、扭矩台肩等结构特点，并给出了使用特殊螺纹套管应注意的事项。

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The author explores the weak points of the API standard threads on drilling tools used in the field, and presents accordingly some measures for improvement that is, to modify the root form and the taper fit of the threads.

指出了现场使用的标准API钻具螺纹所存在的缺点，并针对这些缺点提出了相应的改进措施，即改进螺纹牙底形状和改变螺纹锥度配合。

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Non-rising-inside screw stems are used in bronze and iron gate valves.

暗杆 - 内螺纹结构用于青铜和铸铁闸阀.

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If grooves are cut in the flank of nut hydrostatic action is possible.

如在螺母螺纹侧面切槽,则可实现静压作用.

词典精选例句

Software I DEAS and MARC were used to calculate the thread face contact stress during the make up process, and to analyze the effect of taper mutation of pipe ( pin thread) and coupling ( box thread) on the thread face contact stress quantitatively.

利用I－DEAS和MARC软件计算了拧接过程螺纹齿面的接触应力，定量分析了管体（公螺纹）和管接箍（母螺纹）的锥度变化对齿面接触应力的影响。

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Stub acme thread on stem provides rapid open-close operation.

阀杆上的短梯形螺纹适用于快速启闭操作.

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The screw threads will be able to get a good grip.

螺纹能牢牢地咬合卡紧。

《柯林斯高阶英汉双解学习词典》

It is assumed that the accuracy of internal thread depends on the accuracy of tap, while the positioning accuracy of threaded hole depends on that of bottom hole before threading.

总结出内螺纹的螺纹精度直接取决于丝锥的精度，而螺纹孔的位置精度却有赖于攻丝前螺纹底孔的位置精度。

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Side view of panhead posidriv screw with adjustable thread length.

螺纹长度可调整的平头十字槽螺钉的侧面图.

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According to connection method classification ( 1) threaded connection valves: valve with internal thread or external thread, and pipe thread connection.

按连接方法分类（1）螺纹连接阀门：阀体带有内螺纹或外螺纹，与管道螺纹连接。

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The sealing ability of API connections can be increased and maintained when an appropriate thread compound is applied.

认为在螺纹参数确定以后，螺纹脂对密封性有一定的影响，螺纹脂选择适当可以提高并保持API螺纹接头的密封性能。

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Threaded or butt-weld end valves may be quoted on application.

可以根据要求提供螺纹或对焊端口阀门的报价.

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Screw hollow and motor spindle are distributed staggered and equally.

螺纹安装孔的位置与电装电机轴线成错开对称分布.

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Rectangle-shape side gate and the gear-rack taking off thread mechanism were used.

采用矩形侧浇口、齿轮齿条脱螺纹机构.

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The relationship between the screwing length of screw thread and the pitch error, screw linearity error, screw precision and screw tolerance is discussed to explain how to select the screwing length of screw thread in actual applications.

对螺纹旋合长度与螺距误差、螺纹直线度误差、螺纹精度及螺纹公差的相关联系进行分析，说明螺纹旋合长度在实际中的选择应用。

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On the basis of an analysis of the location and causes of the failure of drill collar threaded connection, a high-strength drill collar threaded connection is developed.

在分析钻铤螺纹失效部位及原因的基础上，研制了高强度钻铤螺纹，它与普通钻铤螺纹相比，只是在外螺纹小端增加了一段光平的锥体。

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It is connected with-12 aluminum pipe and vertical wrapped cable.

内外导体双螺纹锁紧.配接-12铝管及纵包电缆.

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The inspection and estimate of the thread contour curve were completed by using laser gauge to measure the dimension of the thread contour curve in the transverse section, and using raster to measure the axial displacement of the precision worktable under the thread test criterion.

利用激光测量头检测螺纹轮廓在横截面上的尺寸，结合由光栅测得的精密平台的轴向位移量和螺纹合格的判断标准完成螺纹轮廓曲线的检测和评价。

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The thread feedback information measured by high-precision meter was compared by dichotomy in the CNC system, he thread minor diameter was found and tool start point was accurately determined. Automatic tool-setting and grinding allowance analysis of thread grinding machine was realized.

通过高精度测量仪测得的螺纹反馈信息，经数控系统中二分法进行比较，可准确得出螺纹底径（小径），确定起刀点，完成螺纹磨床的自动对刀和磨削余量分析。

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Using self-boring grouted rock external screw bolt to build geotechnical anchor, is the key technique by which resolve the difficulty of the construction in complex geologic circumstances. And external screw steel tube rolling is the key equipment to manufacture finish rolling external screw steel tube.

使用自钻注浆式外螺纹锚杆进行岩土锚固施工，是解决复杂地质条件施工难题的关键技术，而外螺纹钢管轧机则是生产精轧外螺纹钢管的关键设备。

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