backstep welding是什么意思、英文翻译及中文解释大纲
backstepwelding词语：backstepwelding解释：分段退焊词性：名词词典：冶金专业英汉词典backstepwelding相关解释backstepwelding〔名词〕分段退焊,反手焊backstepwelding〔名词〕逐步退焊法分段退焊〔名词〕backstepwelding...
backstep的知识聚焦
backstep是什么意思、英文翻译及中文解释
backstep词语：backstep解释：向后突出部,后部台阶词性：名词词典：航空专业英汉词典backstep相关解释backstep〔名词〕分段退焊,后部台阶backstep〔名词〕后退...
backstep welding是什么意思、英文翻译及中文解释
backstepwelding词语：backstepwelding解释：分段退焊,反手焊词性：名词词典：建筑专业英汉词典backstepwelding相关解释backstepwelding〔名词〕分段退焊backstepwelding〔名词〕逐步退焊法...
backstep是什么意思、英文翻译及中文解释大纲
backstep词语：backstep解释：分段退焊,后部台阶词性：名词词典：建筑专业英汉词典backstep相关解释backstep〔名词〕后退backstep〔名词〕向后突出部,后部台阶...