基本解釋[機(jī)][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(diào)節(jié)POWDER SCALING 凹部分的強(qiáng)度scaling powder更多詞組專業(yè)釋義機(jī)械工程助銲劑化學(xué)助銲劑