发布时间:2025-02-06 23:34:50
不是。中空纤维膜外形像纤维状,具有自支撑作用的膜,它是非对称膜的一种,其致密层可位于纤维的外表面/如反渗透膜,也可位于纤维的内表面(如微滤膜,纳滤膜和超滤膜)。
ps磨皮插件portraiture 403中文版来啦支持mac47win
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