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