... shielded arc welding 保护电弧焊 shielding method 盾盖式开采法 shift roll mill 轧辊轴向移动轧机 ...
基于72个网页-相关网页
... 盾构掘进：shield boring 盾盖式开采法：shield mining method 对接焊管：butt welded pipe ...
基于66个网页-相关网页
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shield mining method
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shielding method
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