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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
spark knock
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sparkover-initiated discharge machining
sparkover voltage
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Sparnacean
Sparrow's criterion
sparry calcite
sparry cement
sparry iron
sparse matrix
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更新时间:2025/3/17 9:31:40