chain intermittent fillet weld链式分段角焊; 并列间断角焊缝 chain intermittent weld并列焊接 circular weld环形焊缝 circumferential weld环缝; 环焊缝 cleft weld裂口焊 closed weld底边无缝焊; 无间隙焊缝 closed-chamber fusion weld闭室熔焊 .
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... circular weld 环形焊缝 circular welding 环焊缝 circular wind tunnel 圆截面风洞 ...
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