“sleeve valve”的概念、定义、翻译、参考文献-科学参考

单词	sleeve valve
释义	sleeve valve [`slēv ´valv] ^{MECHANICAL ENGINEERING} An admission and exhaust valve on an internal- combustion engine consisting of one or two hollow sleeves that fit around the inside of the cylinder and move with the piston so that their openings align with the inlet and exhaust ports in the cylinder at proper stages in the cycle.
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