| 单词 | filtration system |
| 释义 | filtration system He also announced plans to launch a new air filtration system that could help to clean up hospital wards. Times, Sunday Times Terrified workers - one of them pregnant - keeled over after a busted filtration system was not fixed. The Sun He then fitted it with a filtration system and built a wooden footbridge above it from which he can admire his koi carp. Times, Sunday Times I decided to set up a stone filtration system in the restaurant's vegetable garden. Times, Sunday Times Experts said that using an air filtration system in an enclosed space could reduce the airborne virus load, with the potential to reduce transmission. Times,Sunday Times |
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