单词	draincock
释义	draincock /ˈdreɪnkɒk / noun A valve for draining the water from a boiler.A draincock assembly is designed so it may be molded with the radiator tank.... The draincock assembly includes a drain for draining fluid from the heat exchanger.
随便看	diazomethane diazonium diazotype dib dibasic dibber dibble dibbler diborane dibs dice dicentra dicentric dicer dice with death dicey dichasial dichasium dichlamydeous dichlamydious dichloride dichlorodifluoromethane dichloromethane dichlorvos dichogamic

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