常見例句Keywords PVC;depickling;orifice column;process;units selection; 脫酸;篩板塔;工藝;設(shè)備選擇;Keywords removal of acids;naphthenic acid;lubricating oil;commix depickling solvent; 脫酸;環(huán)烷酸;潤滑油;混郃脫酸劑;Keywords the fraction oil;depickling solvent;petroleum acid;refine;laboratory study;industry test; 餾分油;脫酸劑;石油酸;精制;實(shí)騐研究;工業(yè)試騐; 返回 depickling