常見例句Keywords polyvinylidene fluoride;porous membrane;macrovoid;phase inversion;porosity; 聚偏氟乙烯;多孔膜;大孔;倒相;孔隙率;Keywords ultrafiltration membrane;polyethersulfone;membrane structure;macrovoid; 超濾膜;聚醚砜;膜結構;大空腔;macrovoid ratio 大孔隙比 返回 macrovoid