valve rotor造句
造句与例句手机版
- While the valve rotor is made of a metal which is more resistant to corrosion, the inner valve casing is typically bare brass . ( The brass on the outside of a modern instrument is lacquered or plated to prevent corrosion . ) The oil also completes the seal between the valve casing and the piston or rotor.
- It's difficult to see valve rotor in a sentence. 用valve rotor造句挺难的
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