“butterfly valve”的概念、定义、翻译、参考文献-科学参考

单词	butterfly valve
释义	butterfly valve [`bǝd·ǝr´flī ´valv] ^ENGINEERING A valve that utilizes a turnable disk element to regulate flow in a pipe or duct system, such as a hydraulic turbine or a ventilating system. Also known as butterfly damper.
随便看	base density base-displacement Basedow's disease base drag base elbow base electrode base exchange base flashing base flow base for the neighborhood system base fracture base fuse base-height ratio base initiation base insulator base language base level base-leveled plain base-leveling epoch base line base-line break base-line check base-line delay bromacetone bromacil

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