Pilot(operated)valve
[化] 导阀
🗣️ 情景例句
Sorry, I've already got plans.
对不起， 我有事。
Why didn't you contact me?
为什么你不和我联系？
Mrs.Sterling got so angry that she ran after them.
斯特林夫人非常气愤，向着他们追了过去。