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单词	dual vent
释义	dual vent dual vent, common vent, unit vent dual vent In plumbing, a single vent, 1 connected at the junction of two fixture drains, which serves as a vent for both.
随便看	protosilicate protosireninae protosome protosomite protospacer associated motif protospasm protospatharius protosphere protospondyli protospore proto star proto-star protostar protostars protostat protostele protostelic protostoma protostome protostomes protostomia protostratigraphy protostylid protostyly protosuchia

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。