单词	unit vent
释义	unit 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	kvitka-osnovianenko, grigorii fedorovich kvitko, lev kvitko, lev moiseevich kvitok kvitsinia, levarsa kvitsinia, levarsa bidovich kviv kvjsa kvk kvks kvl kvlb kvlc kvle kvlo kvlqt kvlqt1 kvlqt1-as kvlqt1 gene kvlt kvm kvma kvm cable kvme kvm extender

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