字典網>> 英漢字典>> L開頭詞條>>levelling of pumping unit的意思 漢英字典levelling of pumping unit中文翻譯：【機】 泵裝置的校平英文字典相關詞條：levelling charges levelling dye levelling bulb reservoir levelling of dye levelling solvent levelling dyestuff levelling arm levelling agent BOF levelling method levelling tube