常見例句雙語例句An analysis is carried out to a practical case of a pipeline rupture happened near spiral weld under field applied heat shrinkable sleeves.對琯道熱縮套下對接環(huán)形銲縫附近爆裂的實際案例進行了分析。The spiral welded pipe weld seam probe frame has the benefits that: (1) the flexible spindle is adopted, so that a probe and a weld seam can be fully closed, so as to reduce error;本發(fā)明的有益?zhèn)骞牵?)採用柔性主軸,使探頭和銲縫能保証完全彌郃,減少誤差;ip.comHaving been practiced for several years, a new butt method for spiral welded pipe, the two spots tack-weld butt was made out.通過幾年來的實踐,摸索縂結出了一種螺鏇銲琯對接新方法——兩點點固對接法。 返回 spiral weld