所有阀门的内部轴承均采用自润滑式滑动轴承，材质采用碳钢全衬聚四氟乙烯。
All the valve's internal self-lubricating bearings are sliding bearings, the whole material the use of carbon steel PTFE liner.
本文对含未凝聚聚四氟乙烯废水的处理及回收废水中的全氟辛酸铵进行了研究。
Research on recovery of ammonium perfluorooctanoate from waste water by adsorptive bubble separation method;
应用推荐