1.
Study on the Purification Ability of Three Vertical Greening Plants Against Sulfur Dioxide in the Atmosphere
三种垂直绿化植物净化大气中SO_2能力研究
2.
Study on ecological benefits about air purification of ecological forest belts in Zhenhai district,Ningbo
宁波镇海区生态隔离林带净化大气的生态效益
3.
biological purification of atmospheric pollution
大气污染的生物净化
4.
Biogas Purifying Technology in Large and Medium Scale Biogas-Projects;
大中型沼气工程的沼气净化技术研究
5.
The high level of HC in the exhaust gas may damage the catalytic converter.
废气中大量的HC会损坏催化式排气净化器。
6.
Grevillea banksii′s purification ability to SO_2 and fluoride in atmosphere
红花银桦对大气SO_2和氟化物的净化能力
7.
non-catalyst car
非催化剂净化废气汽车
8.
The cleaner has high efficiency and a high throughput with low cost.
这种空气净化器还有负荷量大、调节空气湿度的特点。
9.
Oil-Free Lubrication & Air Purification
无油润滑及空气净化
10.
raw producer gas
(未净化的)发生炉煤气
11.
crude producer gas
未净化的发生炉煤气
12.
exhaust after-treatment device
废气后处理净化装置
13.
control of gaseous pollutants by condensation
冷凝法净化气态污染物
14.
Remove air cleaner housing.
拆去空气净化器外壳。
15.
air cleaner and silencer
空气净化器及消声器
16.
Fresh air cleans the blood.
新鲜空气能净化血液。
17.
They clean the air and keep water from running away.
它们净化空气，保持水土。
18.
Trees help clean the air.
树木有助于净化空气。