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	nobbins nobble nobbler nobbut nobby no-being Nobel, Alfred Bernhard Nobelist nobelium Nobel Prize Nobel prizewinner no better than one should (or ought to) be Nob Hill no big deal no biggie nobiliary nobiliary particle nobilitate nobilitation nobility no bill nobilmente noble noble-born Noble Experiment

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