英语词汇“gravity-held check valve”的读音、翻译、释义、用法及例句-开邑网

词汇	gravity-held check valve
释义	gravity-held check valvegravity-held check valve1.■重力式单向阀
随便看	protecting acoustic signal protecting agent protecting appliance protecting apron protecting band protecting box protecting cap protecting case protecting casing protecting colloid protecting cover protecting crust protecting cultivated soil protecting device protecting device for belt riding protecting diode protecting equipment protecting film protecting glass protecting grill protecting grounding network protecting group protecting hood protecting housing protecting hunger sign

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