基本解释动量螺旋英汉例句双语例句Rigidity of feed system with ball screw in NC lathe has a major influence on loss of momentum and positioning precision.数控车床丝杠进给系统刚度对系统的失动量和定位精度影响较大。词组短语短语momentum m screw 动量螺旋专业释义机械工程动量螺旋