Pilot(operated)valve
[化] 导阀
🗣️ 情景例句
It's none of my business, but I think you ought to work harder.
这不关我的事，但我想你应该更加努力地工作。
Compare your grievs with other men's and they will seem less.
你的悲痛与人比，悲痛就会轻一些。
Mrs.Richards sent her children to school and went upstairs to her bedroom.
把孩子送去上学，然后来到楼上自己的卧室。