double-freguency quenching unit and heat treatment process for cold-rolling work rolls

1、

automatic forestry tree chain saw, chain axis quenching unit;

全自动林业树木链锯条、链轴淬火机组；

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2、

differential diagnosis between acute hemorrhagic salpingitis and tubal pregnancy

急性出血性输卵管炎与输卵管妊娠的鉴别诊断

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3、

objective to study the features of onset, regularity of hemorrhagic salpingitis and to improve our knowledge, and to reduce misdiagnosis.

目的了解出血性输卵管炎致急腹症的发病特点、规律，提高对本病的认识，减少误诊。

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4、

the flight capacity and re-migration potential of wbph were influenced significantly by the nutritive conditions of the rice varieties.

取食不同品种的水稻对白背飞虱的飞行能力和再迁飞能力有显著影响。

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5、

the emergency treatment for hydrochloric acid burn in eye

集体发生眼部盐酸烧伤的急救与治疗

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6、

the other end of the dry type reactor is connected with the central point of an insulation gate transistor bridge arm;

干式电抗器另一端与绝缘栅极晶体管桥臂中点连接；

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7、

and non-gate transistor used to control the output signal of the open or off to control the launch tube infrared send a message.

与非门的输出信号用来控制三极管的开通或关断，从而控制红外发射管发送信息。

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8、

termination point of a vessel

容器的界限点

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9、

painting technical files including: the type and specification of selected primer, lacquer, thinner, banana oil, putty and gravel;

油漆工艺文件包括：选用的底漆、面漆、稀释剂、香蕉水、原子灰、砂等的型号、规格；

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10、

finally, people calculate the synthesis score value of the evaluation unit by "the weight sum" module to divide the appropriviate grade.

最后用“加权和”模型计算评价单元的综合得分值，划分适宜性等级。

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11、

three-dimensional graphical location technology and method of evaluating the error

一种三维图形定位技术及误差评定方法

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12、

submerged arc welding machine operator

埋弧焊机操作员

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13、

control system of a submerged- arc welding machine

埋弧自动角焊机控制系统的研制

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14、

control circuit and maintenance for auto submerged arc welding machine

自动埋弧焊机控制电路及其维修

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15、

digital control of inverter submerged arc welding machine and its auto-control system

逆变埋弧焊机及其自动焊系统的数字化控制

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16、

this article introduces a patch welding technique of co2 welding without narrow gap submerged arc welding machine.

阐述了在没有窄间隙埋弧焊机的情况下，应用CO2气体保护焊进行拼焊的工艺。

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17、

the hand piece of the suspended type submerged arc welding machine and an accessory enter the cylinder body through pipe orifices.

悬挂式埋弧焊接机头和附件通过管孔进入筒体。

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18、

comparative analysis between dynamic evolution of deformation field and seismicity pattern around north-south tectonic belt in china

南北地震带形变场动态演化与地震活动参数图象综合对比研究

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19、

study on the evolution characteristics of seismicity pattern before strong earthquakes

中国大陆强震前地震活动图像演化特征研究

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20、

seismicity pattern characteristic and empirical indexes for strong earthquakes prediction

地震活动图像特征与强震危险区经验性预测依据的初步研究

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