单词	back vent
释义	back vent noun : a ventilating pipe attached to a waste pipe on the sewer side of its trap to prevent siphonage back venting noun Word History First Known Use 1915, in the meaning defined above
随便看	clinodomatic clinodome clinoedrite clinoenstatite clinoferrosilite clinograph clinographic clinohedral clinohedrite clinohumite clinohypersthene clinolimnia clinolimnion clinometer clinometers clinometric clinometrical clinometries clinopinacoid clinopinacoids clinopodia clinopodium clinopodiums clinoriles clinorils

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