pressure welder 中文意思是什麼
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Code for welder qualification of civil nuclear pressure - resistant equipment
民用核承壓設備焊工資格考核規則 -
The study of the control circuit of type zdh - 36 electric dreg pressure welder
36型電渣壓力焊機控制電路的研究 -
Gas pressure welder for reinforcing steel bar
鋼筋氣壓焊機 -
Surfacing procedure qualification and welder performance qualification for high pressure urea equipment
尿素高壓設備堆焊工藝評定和焊工技能評定 -
Welding procedure qualification and welder performance qualification of corrosion resistant stainless steel tube - tubesheet joints for high pressure urea equipments
尿素高壓設備耐腐蝕不銹鋼管子-管板的焊接工藝評定和焊工技能評定 -
Welding procedure qualification and welder performance qualification of cladding and internal for high pressure urea equipments
尿素高壓設備襯里板及內件的焊接工藝評定和焊工技能評定
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