人妻视频中文字幕一区_亚洲成片观看四虎永久网站_激情亚洲综合五月天_av免费永久无毒

中文 (中國) English

Filter membrane

see:1213
Release time: 2021年11月3日

In just over 20 years, as a new and efficient separation technology, filter membrane is widely used in power, textile, chemical industry, electronics, metallurgy, petroleum, food, drinking water purification, industrial water treatment, biopharmaceutical, fermentation and other fields. As an effective water treatment method, filtration membrane has become an important technology in sewage treatment