单词	slide valve
释义	slide valve noun : a valve that opens and closes a passageway by sliding over a port specifically : such a valve often used in steam engines for admitting steam to the piston and releasing it Word History First Known Use 1802, in the meaning defined above
随便看	ached for Achelous achemon sphinx achene achenes acheniums achera Achernar Acheron Acheronian acherons acherontiae acherontias Acherontic aches aches (for) aches for Gecarcinus gecconid Gecconidae geck gecked gecking gecko geckoes

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