单词	double waste and vent
释义	double waste and 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	cudgeled your brain cudgeled your brains cudgeler cudgel her brain cudgel her brains cudgel his brain cudgel his brains cudgeling cudgeling brain cudgeling brains cudgelings cudgelled cudgelled brain cudgelled brains cudgelled her brain cudgelled her brains cudgelled his brain cudgeller cudgelling cudgelling brain cudgelling brains cudgellings cudgel my brain cudgel my brains cudgel one's brain

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