“dual-gravity valve”的概念、定义、翻译、参考文献-科学参考

单词	dual-gravity valve
释义	dual-gravity valve [¦dü·ǝl `grav·ǝd·ē ´valv] ^{CHEMICAL ENGINEERING} A float-operated valve that operates on the interface between two immiscible liquids of different specific gravities.
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