Spring opposed , air operated diaphragm or piston, actuators are preferred for on-off applications.
弹簧平衡型、气动膜片或活塞，执行机构对于开关阀是首选的。
youdao
Yes! I am firmly opposed to the Chinese New Year (Spring Festival).
是的！我坚决反对过年(春节)。
应用推荐
模块上移
模块下移
不移动