reversal valve

• 换向阀,可逆阀

reversal valve的用法和样例：

例句

1. Check to know the electromagnet reaction of the reversing valve.
   检查各换向阀电磁铁动作是否灵活。
2. A new type of digital directional valve is presented.
   给出了一种新型电液数字换向阀。