滤尘的英文：
dust filtration

dust是什么意思：
n. 尘土；粉尘
v. 擦灰；掸去；撒

dusted the cookies with sugar;dust crops with fertilizer.
将饼撒上糖粉；把化肥撒在作物上

Dust sugar on to a cake.
将糖撒在糕点上。

The carriage left a trail of dust.
马车后扬起了一缕烟尘。

He dusted his trousers.
他掸掉裤子上的尘土。

She dusts every day.
她每天掸灰尘。

filtration是什么意思：
n. 过滤,筛选

Sterilization by filtration is subject to one major theoretical limitation
过滤灭菌具有一个大的理论上的局限性。

Sterilization by filtration is subject to one major theoretical limitation.
过滤灭菌具有一个大的理论上的局限性。

The glomerular filtration rate remains relatively constant
肾小球滤过率也能保持恒定。

The nondescript bacteria were responsible for the infectivity of the filtrate
这种滤液的侵染性应归之于不能描述的细菌。

Low temperature membrane filtrating is the key step the filtration membrane was often blocked during daft beer production on account of raw materials, technique and staff, etc, resulting in increase of cost.
纯生啤酒在生产过程中低温膜过滤是关键环节,由于原料、艺、员等的因素,常常会导致过滤膜发生堵塞,增加生产成本。