基本解釋[機][助劑] 助銲劑詞組短語短語Scaling powder is polluted 更換助銲劑Scaling powder is insufficient content 更換助銲劑Scaling powder is not enough 檢查調節(jié)POWDER SCALING 凹部分的強度scaling powder更多詞組專業(yè)釋義機械工程助銲劑化學助銲劑