weld
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[电]感应硬
induction brazing
[螺旋缝埋弧管输送管]
Transmission line pipe
鸟巢接工程
Bird’s nest welding project
十字形
cross-shaped welding seam
工工艺学》
welding technology
+机器人
robot welding
<电>弧点
arc spot welding
<电>弧
arc welding
10.1接种类
Varieties of Welding
10.2接形式
Type of Welding
10.3接位置
welding position
10.4接缺陷
Defects of Welding
10
welding
14MnNbq钢
MnNbq steel welding
16MnR钢
16MnR steel weldment
304钢
steel weld metals
347L型不锈钢药芯
type 347L flux-cored wire for stainless steels
351型交直流方波氩弧
351 alternating and direct square-waves argon arc welding machine
351 alternating and direct square-waves argon are
3Cr1Mo1/4V
welding
3E轴接构架式转向架
3E-axle welded frame type bogie
最近更新
Han study山东图书馆学刊mountain area in southwest China判别函数准则运用指标Scaling Down Processingchromium(III) bromide挡土坝plate blank