Is bioenergy really pollution free?
生物能源真的环保吗？
This soluble crosslinking system is a new poison free and pollution free system.
这是一类新型的、水溶性的、无毒害、无污染的非甲醛系试剂交联体系。
Hydrogen is an alternative energy source with high efficiency and pollution free.
氢能是高效、环保型替代能源。
Microorganism treatment is a method of low cost, high efficiency and pollution free.
微生物处理是一种费用低，效果好，无二次污染且操作简单的处理方法。
People would benefit greatly from a pollution-free vehicle.
人们将极大地受益于无污染汽车。
The car of the future should be far more pollution-free than present types.
未来的汽车应该比现在的汽车还要低污染。
Simply switching to electric cars will not mean pollution-free cities.
简单地改用电动汽车并不意味着城市没有污染。
Noise is transient; once the pollution stops, the environment is free of it.
另处，物理性污染没有后效作用，即噪声不会残存在环境中，噪声停止，污染立即消失。
The sun's energy is free and panels generate no pollution when they operate.
太阳的能量是免费的，面板时产生任何污染运作。
It was once a beautiful city free from pollution.
过去这是一个美丽无污染的城市。
That was true of the pollution-free growth of the youth's love of flowers.
那是真正无污染的青春生长出的爱之花朵。
Many large cities are anything but pollution-free.
许多大城市都无污染。
It is rich in resources, both free, and no transport, no pollution to the environment.
它资源丰富，既可免费使用，又无需运输，对环境无任何污染。
Safety, Energy saving, Pollution-free.
安全、节能、无污染。
Resist and destroy the ability of drawing strongly, do not epilate , pollution-free.
抗破坏拉伸能力强，不脱毛，无污染。
This district is free from air pollution.
这个地方是没有空气污染的。
This process is simple and pollution - free.
该工艺简单，无三废污染。
The device is a green product, free from pollution and environment friendly after use;
液氮灭火系列用后无沾污、无污染、绿色环保；
Pollution-free place of production found that the reward 30,000 yuan.
污染的生产自由的地方，发现，奖励3.0万元。
Green pollution-free food can be imported directly.
绿色无公害食品，可直接入口。
Green pollution-free food can be imported directly.
绿色无公害食品，可直接入口。
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