oil filling converter electropneumatic valve

例句：

1. 1. The oil filling converteris used to control the flow of oilin the pipeline.
   油填充转换器用于控制管道中油的流动。
2. 2. The electropneumatic valve is a type ofvalve that uses electricity to control fluid flow.
   电动气动阀门是一种使用电力来控制流体流动的阀门类型。
3. 3. The oilfilling converter and electropneumatic valve areessential components for maintaining pipeline integrity.
   油填充转换器和电动气动阀门是维护管道完整性的关键部件。