drain tap

释义

排气阀门；

Drain tap
Drain tap
Structure automobile engine crankcase oil drain tap plug
CD4:CD8 ratio and HIV infection: the ‘tap-and-drain’ hypothesis
Meat pickling pressure chamber has tap-controlled fluid drain at chamber base
Meat pickling pressure chamber has tap-controlled fluid drain at chamber base
Abstracts given to Andrew Mains for ditching done in the tap drain of the marsh lands
County of Welland estimate (copy) of work done on sections 2 and 3 of the tap drain at Marshville by George Stanford
County of Welland estimate (copy) of work done on section no. 5 of the tap drain at Marshville by Andrew Mains
County of Welland estimate (copy) of work done on section no. 4 of the tap drain at Marshville by Brown and Hershall,