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	placode placoderm placodioid placodont placoid placophoran Placozoa placozoan placula plaefer plafond plaga plagal plagal cadence plagate plage plagiarise plagiarism plagiarist plagiaristic plagiaristically plagiarization plagiarize plagiarizer plagihedral

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