water valve bonnet 中文意思是什麼
water valve bonnet
解釋
水閥帽-
Stopvalves for domestic water supply - two - way valves - oblique bonnet type pn 10 ; y - type valve ; technical rule of the dvgw
家庭用供水截流閥.雙通閥.傾斜式閥帽pn10型. y型閥. dv -
Stopvalves for domestic water supply - two - way valves - vertical bonnet type pn 10 ; straight pattern globe valve ; technical rule of the dvgw
家庭用供水截流閥.雙路閥.立式閥帽型pn10 :直線型球形
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