seal by的例句大全

Which must be certified with a stamp or embossed seal by the school attended. Students who have not yet graduated must submit their diplomas when they report to THU, otherwise, their admission will be canceled.

应经原毕业学校加盖章戳或钢印密封；应届毕业生须于录取报到时缴交，否则取销录取资格。

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Magnetic fluid sealing technology is a brand new sealing technology for rotating shaft dynamic seal by using amorphism of magnetic fluid and its response characteristics to magnetic field.

磁流体密封技术是利用磁流体形态的无定形性和它对磁场的响应特性将其应用于旋转轴动密封的一种全新的密封技术。

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Pack with film, top seal, bottom seal and back seal by automatic bag making machine.

包装材料用卷膜, 机器自动制袋为上封 、 下封加背面封口.

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The electronic seal is used in the condition of setting verification cryptogram and it can be used only by inputting the right PIN code.

电子印章使用的时候，必须设置了校验密码，只有输入正确的PIN码才可以使用电子印章。

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The parties concerned shall jointly sign the mediation document and the superintendency administration shall confirm it by affixing its seal thereon.

调解书由当事人各方共同签字，并经港务监督盖印确认。

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The tea-bag packing machine model sd-dpc-6have general functions such as automatic ration filling, heat-sealing of tea bag, automatic plastering cotton thread and tag, envelope is cold-sealed by tow-side in longitudinal direction.

型包装机外袋采取冷压纵封方式压封两边，具有定量给料、热封内袋、自动粘贴标签和棉线的功能。

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This paper mainly illustrates the full tracing test for steam seal ring made by rolling while being manufactured by X-ray.

钢板卷制汽封圈在切割成弧段时发生不同程度的收缩变形。采用X射线法对汽封圈的制造过程进行了跟踪测试。

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The form and use method of the "special invoice seal" shall be determined by provincial-level tax authorities.

“发票专用章”式样和使用办法由省级税务机关确定。

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To ensure giga-ohm seal between the tip of pipette and the cell membrane, it is necessary that the pipette tip, diameter in 1 to 5 μ m, is polished by heat melt stove.

为确保电极尖端与细胞膜形成十亿欧姆封接，要对直径1&5微米的电极尖端进行热抛光处理。

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In mass consumption society, the reader faces the reading medium, has changed from former traditional reading which is broad and open style writing medium to a seal picture information medium which constitutes by "the generalized literature text".

在消费社会，读者面对的阅读媒介，从以往传统阅读中广阔且开放式的文字媒介，变成了由广义文学文本构成的一个封闭的图像化信息媒介。

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Based on the analyses of vertical seal mechanism of fault for oil and gas and its influence factors, this paper established the relations among oil migration velocity and grain of filling materials, tip angle and mudstone content of fault zone by physical simulation experiment.

在断层垂向上封油气机理及影响因素分析的基础上，通过物理模拟建立了原油通过断裂带运移速度与断层填充物粒度、倾角和泥质含量之间的函数关系。

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By analyzing the pressure distribution between gears and sealing blocks in compound gear pump with three idlers, the resultant hydraulic forces acting on seal blocks are obtained.

通过对具有3个惰轮的定轴轮系复合齿轮泵各齿轮齿顶圆与密封块间的压力分布规律的分析，求出各齿轮与密封块间的液压油对密封块产生的液压力合力。

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" if authorized by a body corporate possessing a common seal, under the seal of the body corporate;" Carrier pilots can now access all divisions of their ships corporate hangar without the required corporate roles.

如由拥有法团印章的法人团体授权，该书面证明须盖有该法团的印章；航母飞行员无需军团授权便能操作舰船公用机库中的所有内容。

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The material selection of reactor, strength calculation, structure design ( including welding joint and flange seal face) and matters needing attention in equipment manufacture were analyzed and discussed comprehensively by the author.

作者对反应器的选材、强度计算、结构设计（包括焊接接头和法兰密封面）及设备制造中应注意的问题进行了较全面的分析和论述。

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The end face structure of a new type upstream pumping mechanical seal with double seal dams was developed because the solid particles were easily absorbed by the spiral groove type upstream pumping mechanical seal with the grooves on the internal wall to make the particles be damaged.

针对内径开槽的螺旋槽型上游泵送机械密封易于吸入固体颗粒而产生磨粒磨损的缺陷，研制开发出具有内外双密封坝的新型上游泵送机械密封端面结构。

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Head continuous with body; Clinical and experimental studies on seal retinal tears by cotton cryoprobe cooled liquid nitrogen

药棉浸冷冷冻头冷凝视网膜裂孔临床实验研究

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The structure and design methods of a new threaded connection, the WSP premium-threaded connection, are described. The criteria of seal design and strength design of this joint are studied in detail using FEA method and testified by full-scale test.

介绍了WSP特殊螺纹接头的基本结构和设计思想，运用有限元方法，重点论述了密封设计和连接强度设计的方法和准则，并通过全尺寸试验进行了验证。

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This series sealer is easy to be operated with the heating time adjustable and suitable to seal various kins of plastic films, it starts working just by turning on the power supply.

本系列封口机操作简便，加热时间可调，接通电源即可工作，适用于各种塑料薄膜的封口。

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The gas mask is characterized in that the gas mask can cover and seal the head and face of an operator without affecting normal operation, so that the operator can not be eroded by harmful substance.

该面罩的特点是能罩住并闭封操作者头部、面部，而且不影响正常操作，使操作者不会受到有害物质的任何侵蚀。

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The telecom invoice is then printed by the local tax bureau and will bear the unified tax official seal and number.

电信发票由地税局预印，预印完成的发票印有统一的税务公章及编号。

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