细微粉末状的过滤材料的表面积比粗糙颗粒的表面积大得多。
Filtering materials in the form of very fine powders exhibit greater surface area than coarser granules.
白色细微粉末,无毒,无硫化污染,比重1.08,不溶于水,微溶于热的乙醇。
It is fine white nontoxic and no curing pollution with specific gravity of 1.08. It can slightly dissolve in hot ethanol, but not in water.
通过一把静电枪吸附涂料颗粒,将液化的涂料粉末施力涂抹到框架的每一条细微缝隙中。
Fluidized powder coating is applied to frames through an electrostatic gun, attracting the paint particles into every crevice.
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