Unoptimized energy structure and energy waste are among the major causes of severe air pollution.
不合理的能源结构以及能源的严重浪费则是造成我国大气污染严重的主要原因之一。
Unique wind vane guide the structure of the wall to avoid hot smoke pollution.
独特的翼片导风结构，避免墙体热熏污染。
Its structure is simple, reliable, stable operation, with good sealing, no pollution.
其结构简单可靠，运行平稳，具有密封性好、无污染。
The pump has simple structure, low cost, high energy saving effect and no pollution.
本泵结构简单，成本低，节能效果好，无污染。
The pump has simple structure, low cost, high energy saving effect and no pollution.
本泵结构简单，成本低，节能效果好，无污染。
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