moment of span

• 跨矩

moment of span的用法和样例：

例句

1. Feed use of the AC servo motor torque of the motor.
   进给部分电机采用交流伺服电机转矩大。
2. Decent, sane people did not think of such things.
   规规矩矩，脑筋清清爽爽的人决不会想到这类事情。