[化] 短管阀; 柱形阀; 滑阀

spool valve的用法和样例：

例句

The Type A Valve's abrasion resistance is unmatched.这种夹管阀的抗磨损性能是无可匹敌的。
A booster relay controls a pinch valve by supplying air pressure to the valve body.升压继电器通过控制输送到阀体的气量来实现对夹管阀的控制。

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