下行焊
词语: 下行焊
解释: downward welding in the inclined positioin
词典: 航海专业汉英词典
下行焊 相关解释
downward welding in the inclined positioin 〔名词〕下行焊
下行焊 downward welding in the inclined positioin;verical down welding
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