Bevel gears: gears which connect two shafts at right angles.伞齿轮: 连接直角相交两轴的齿轮.The bevel milling cutter for cutting groove of oil casing - pipes was designed.设计了用于油气田管道坡口切割的角度铣刀.Precision forging technology is developed ra...
Precision forging technology is developed rapidly in production of spur bevel gear.精密锻造直齿锥齿轮在我国发展很快.Thus, using modified roll method, 4 - axis CNC spiral bevel gear machine can manufacture hypoid gear.这样, 在四轴数控铣齿机上可以实现变性...
marine and freshwater eukaryotic algae海洋和淡水真核藻Objective To construct eukaryotic expression vector of siRNA specific for � � - site APP cleaving enzyme ( BACE ).目的构建β淀粉样前体蛋白裂解酶 ( BACE ) 特异性小干扰RNA真核表达载体.That cell hybridiza...
可能推迟英吉利海峡隧道开通的问题一大筐。A host of problems may delay the opening of the Channel Tunnel.想要推迟午夜的最后期限是完全不可能的。It is totally out of the question to postpone the midnight deadline.因对程序问题的异议而提出了推迟要求并获得了通过。The postponement was deman...