“ball check valve”的概念、定义、翻译、参考文献-科学参考

单词	ball check valve
释义	ball check valve [`bȯl `chek ´valv] ^ENGINEERING A valve having a ball held by a spring against a seat; used to permit flow in one direction only.
随便看	lepromin leprophobia leprosarium leprosy Leptaleinae Leptictidae leptine Leptinidae leptite Leptocardii leptocephalous larva leptocephaly leptocercal Leptochoeridae Leptodactylidae leptodactylous Leptodiridae leptogeosyncline leptokurtic distribution Leptolepidae Leptolepiformes Leptomedusae leptomeninges leptomeningitis Leptomitales

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