manual elect ric arc weld的意思|示意
美 / /
英 / /
手动电弧焊接
manual elect ric arc weld的网络常见释义
手工电弧焊 ...手工电弧焊; 焊接接头; 质量; 措施 [gap=441]Keywords] 20 steel tube , 16Mn forged tubesheet , manual elect ric arc weld , weld joint , quality , measure ..