stage spinning的意思|示意

The set takes Roots pump as its main pump and spinning vacuum pump as pre-stage pump.

本机组采用罗茨泵作为主泵，以旋片式真空泵作为前级泵。

The distortion and changing of spinning force in variable stage is analyzed also.

并对强旋过程中各阶段的变形情况和旋压力的变化进行了分析。

Computation shows that the spinning of SRM makes the pressure in combustion chamber high, action time short and the pressure descending stage long.

旋转和不旋转情况下的计算结果对比表明，旋转使发动机内压强增高，工作时间缩短，拖尾段加长。