moment of force

• 力矩

moment of force的用法和样例：

例句

1. A variable pitching moment is provided by moving the elevator.
   俯仰力矩的变化由升降舵的偏转来提供。
2. Maximums are based on the operating force for each valve size.
   这些最大压差是以各个通径阀门的操作力矩为基础计算的。