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...
把锚系到栏杆上拴牢。Secure the anchor by lashing it to the rail.绳子与锚链缠在一起.The rope fouled the anchor chain.较大的一艘小艇拖着锚链.The bigger dinghy dragged her moorings....