“valve head”的概念、定义、翻译、参考文献-科学参考

单词	valve head
释义	valve head [`valv ´hed] ^{MECHANICAL ENGINEERING} The disk part of a poppet valve that gives a tight closure on the valve seat.
随便看	salmon oil salmonsite Salmopercae salol salpeter process Salpida Salpingidae salpingitis salpingo-oophoritis sal prunella sal soda salsoline salt salt-affected soil salt-and-pepper sand salt anticline sal tartar saltation saltation load saltatorial salt bath salt bottom saltbox salt bridge salt burst

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