... 甲板下纵梁,甲板下年夜梁 under deck girder 水中焊接 under water welding 等速运动 uniform flow ...
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... ultra-speed welding超高速焊接 under water welding水下焊 undercut weld底切焊接 ...
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under-water welding 水下焊
·2,447,543篇论文数据，部分数据来源于NoteExpress
Welding can be done any where-outdoors or indoors, under water and in outer space.
焊接能在室外或室内，水下和外层空间进行。
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