内啮合槽轮机构的主动件必须使用锁止凹弧。
A. 对
B. 错
利用曲柄摇杆机构带动的棘轮机构,棘轮的转向和曲柄的转向相同。
A. 对
B. 错
Lee carries over his businessinto his personal relationships.establishethicsopiniondietcompromisetrendlackevolvenutritionsustainablesense
The doctor says I've got to go on a.establishethicsopiniondietcompromisetrendlackevolvenutritionsustainablesense