on-offvalves

英 ['ənɒfv'ælvz] 美 ['ənɒfv'ælvz]

• 电磁阀

on-offvalves的用法和样例：

例句

1. Solenoid operated pump control for controlled opening and closing on pump start-up and shut-down.
   通过在泵开和关时电磁阀所进行的开启和关闭来操作泵控制阀。