lead sweat
三菱铅笔凝胶圆珠笔 mitsubishi pencil gel ballpoint pen
介绍了碱式碳酸铅珠光颜料乙二醇甲醚法挤水转相生产工艺，对影响因素进行了研究。
The production technology of basic lead carbonate pearlescent pigment by pushing process, glycol methoxymethane method and inversing phase method were introduced.
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