automatic pressure control造句

例句与造句

1. This paper discusses operation of dense phase pneumatic conveyor with automatic pressure control valve , and structure and operation of the automatic pressure control valve
   摘要通过分析密相自动调节式气力输送的原理，探讨了自动调节阀的结构和工作机理。
2. It's difficult to find automatic pressure control in a sentence. 用automatic pressure control造句挺难的