基本解释[机][助剂] 助焊剂词组短语短语Scaling powder is polluted 更换助焊剂Scaling powder is insufficient content 更换助焊剂Scaling powder is not enough 检查调节POWDER SCALING 凹部分的强度scaling powder更多词组专业释义机械工程助焊剂化学助焊剂