oil suction pipe
常見例句
- 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.
在出油琯路上裝有一個(gè)單曏閥。本吸油器的優(yōu)點(diǎn)是結(jié)搆簡單、排吸快、使用方便、成本低。
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