oil suction pipe
常见例句
- A one-way valve is installed on the oil outlet pipe, and the utility model has the advantages of simple structure, rapid discharge and suction, convenient operation and low cost.
在出油管路上装有一个单向阀。本吸油器的优点是结构简单、排吸快、使用方便、成本低。
ip.com 返回 oil suction pipe