... welding bench焊接工作台; 焊接台 welding between pipe connect管口和筒体间焊缝 welding booth焊接室 ...
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Because of condenser caused by mediums, leakage occurred in the large-area welding between pipe connect of a C_3H_6 condenser tube sheet.
由于介质原因造成腐蚀，使一台丙烯冷凝器管板上大面积的管口焊缝失效发生泄漏。
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