×
凹形焊缝
meaning in Chinese
concave weld
Related Words
直线焊缝焊接
凹
椭圆凹
地槽凹
凹痕打凹
窝凹
成凹
球凹
凹坡
凹损
凹形规划法
凹形辊身
凹形剪
凹形键
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