vermiculite powder

• 蛭石粉体

vermiculite powder的用法和样例：

例句

1. Airflow membrane-forming treatment with aluminium chloride as membraneforming agent was carried out after pretreatment of silica grey powder.
   论述先对硅灰石粉进行预处理，然后用三氧化铝等包膜剂对其进行气流包膜处理。