lead litharge造句
造句与例句手机版
- The blank records for cutting used to be cooked up, as needed, by the cutting engineer, using what Robert K . Morrison describes as a " metallic soap ", containing lead litharge, ozokerite, barium sulfate, montan wax, stearin and paraffin, among other ingredients.
- It's difficult to see lead litharge in a sentence. 用lead litharge造句挺难的
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