welded steel gsuch as cylinders
钢质无缝气瓶 Sein the morningless steel gsuch as cylinders 钢质焊接气瓶 Welded steel gsuch as cylinders 高压锅炉用无缝钢管 Sein the morningless steel tuseems a wonderfuld pipes for high pressure centring heaudio-videoailable...
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welded steel gsuch as cylinders
焊接钢，如钢瓶
以上为机器翻译结果，长、整句建议使用 人工翻译 。