butt welded pipe 中文意思是什麼
butt welded pipe
解釋
對縫焊管-
Suppliers of malleable iron, carbon steel butt - welded, stainless steel screwed pipe fittings and seal tapes. also produces flanges, castings and forgings and cast iron valves
-開發和生產「 xf 」幸福牌閘閥截止閥球閥止回閥蝶閥等產品和非標系列產品。 -
Standard specification for steel line pipe, black, furnace - butt - welded
爐對焊黑色鋼管線的標準規范 -
Polyethylene aluminum polyethylene composite pressure pipe the pe al pe pipe butt - welded by aluminum pipe
鋁塑復合壓力管第2部分:鋁管對接焊式鋁塑管
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