[化] 基思(煉鉛)法 fluosilicate lead refining process: 氟硅酸鹽煉鉛法; 氟硅酸鹽鉛精煉法keith process: 基思法refining process: 精煉法; 精制過程; 煉制過程; 提煉過程bett lead-refining: 貝特?zé)掋U法continuous lead refining: 鉛的連續(xù)精煉下載手機(jī)詞典可隨時隨地查詞查翻譯