“piston ring packing”的概念、定义、翻译、参考文献-科学参考

单词	piston ring packing
释义	piston ring packing 活塞环密封
随便看	after-effect after end after-etching after-expansion after exposure after-fermentation after fertilization after fertilizer after file after filter after-filter after-filtration after-finishing of textile products afterfiring zone (带式烧结机的) after-fixing afterflaming after flow after-flush compartment afterframe aftergases after glow afterglow afterglow correction afterglow eliminator after-glow light

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