这可以减轻空气污染的程度。
所以现在交通比较好,污染也在减轻。
文中还提出了减轻轮胎污染的途径。
In the article, ways to make tires less polluting are also put forward.
使水产品生产在最适宜的环境下,达到增产、节能、减轻工人劳动强度,减少污染的效果。
Aquatic production can be achieved the effects of increase production, energy saving, the less l…
使水产品生产在最适宜的环境下,达到增产、节能、减轻工人劳动强度,减少污染的效果。
Aquatic production can be achieved the effects of increase production, energy saving, the less l…
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