arc weld steel pipe造句

"arc weld steel pipe"是什么意思

造句与例句手机版

Ultrasonic examination for arc welded steel pipes
电弧焊钢管的超声波探伤检验
Spiral submerged - arc welded steel pipe for municipal heat supply
城市供热用螺旋缝埋弧焊钢管
It's difficult to see arc weld steel pipe in a sentence. 用arc weld steel pipe造句挺难的

相邻词汇

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