4钻工钻井队有机械师 吗 ?Are there machinists in the oil - drilling group?钻工用合适的丝扣油涂抹接头母扣.The Floormen apply proper pipe dope into the thread box of the pipe joint.操作大钳时,必须教导钻工把手放在正确位置.The Floormen be instructed on proper placement...
Aspiration inking is available from the perspective of pore size account.吸不朱度可以从孔隙不小小角度举行思考.Speed and High efficiency inking with color, Halftones and line works.需高效能的印刷油墨,并带有颜色, 网板及线性操作.The operation cannot be performed...
Prii had become fluent in German during the Wehrmacht's occupation of Estonia in 1942.在1942年德军侵占爱沙尼亚期间，普里学得了一口流利的德语。Wehrmacht StuH 42 weapon does marginally increased area damage to infantry.国防军闪电学42型突击榴弹炮对步兵的杀伤范围略增...
The level of blood endotoxin was detected in the experiment.该实验检测血中内毒素水平。The blood endotoxin and amylase ( AMS ) were detected.检测血中内毒素(endotoxin)及淀粉酶 ( AMS ) 水平.Objective : To establish a method of bacterial endotoxin t...
The separation of acetone, ethanol, benzene, chloroform, toluene was performed on a 10 % PEG - 20 M Chromosorb - W - AW - DMCS column.对样品中残留丙酮 、 乙醇 、 苯 、 氯仿 、 甲苯的分离选用10%PEG-20Mchromosorb -W-AW-DMCS 公谱柱.With the column ov...