搜索 - 科创

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我想做个水帘吸附灰尘，最近雾霾太大。想找个价格适中，不易挥发，无毒无害，能破坏水的表面张力的添加剂，能增强吸附微颗粒的能力就更好了。不知道哪位化学大神知道良方[s:13]

https://www.kechuang.org/t/78968SHZ-D（III）型循环水式真空泵，寒假买的用过两次，400出，赠送两截水冷用的管子。箱子、说明书、包装的泡沫塑料都在。非常新。

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