In Emptiness, there is no pollution, just purity.
空之美，这里没有污染，只有纯净。
"Our forefathers had been mining for mercury since the Ming Dynasty [1368-1644] and in olden days there was no pollution from such small mines," said a 72-year-old farmer, named Shen.
“我们的先辈从明朝时(公元1368- 1644年)就开始开采水银了，在往日这么小的矿并没有污染，”一位72岁的沈姓农民这样说。
“Our forefathers had been mining for mercury since the Ming Dynasty [1368-1644] and in olden days there was no pollution from such small mines, ” said a 72-year-old farmer, named Shen.
“我们的先辈从明朝时（公元1368-1644年）就开始开采水银了，在往日这么小的矿并没有污染，”一位72岁的沈姓农民这样说。
Best of all, you can enjoy the beauty of a star-filled sky. There is no pollution to hide the sky and no streetlights to outshine the stars.
最惬意的是，你可以看到布满星星的天空，美丽无比，既没有污染遮盖天空，也没有街灯与群星争辉。
Full burning, less fuel used and no pollution.
燃烧充分，节省燃料，无污染。
There is no pollution along Hainan's sea, so its pearl is preeminent.
海南沿海纯净无污染，海南珍珠品质超群。
Pull type bearing frame rail, no pollution of food and tableware, durable.
抽拉式承重架道轨，不会污染食物和餐具，经久耐用。
Unlike auto rickshaws, which burn fuel, cycle rickshaws produce no pollution.
与消耗燃料的机动自行车不同，人力车不会产生污染。
What's more, there is no Freon refrigerant in the new system and no pollution effect.
其次，该系统中没有氟利昂制冷工质，对环境没有污染。
Used ion-exchange filter element could be recycled by producer and no pollution will happen.
用过的离子交换树脂滤芯可由厂家再生处理，不会对环境造成污染。
The process was easy to operate with wide range and no pollution, and produced oxide film was good.
该工艺操作简单，工艺范围宽，无污染，所得膜层性能好。
Surface treatment: the surface must be clean, no water, no wax, no dust, no pollution and other fixtures.
表面处理：施工表面必须清洁，无积水、无蜡、无灰尘、无油污及其他附着物。
Ultrasound is low cost simple operation distinct biological effect and little or no pollution in biotechnology.
超声波应用于生物技术领域，具有成本低、操作简单、生物效应明显、污染小或无污染等优点。
Through people's long-time study, a way of no pollution is found for derusting-super high pressure jet derusting.
通过人们长期的努力摸索、研究，找到了一种无污染的除锈方法——超高压水射流除锈。
Dry preparation has many advantages such as low cost, excellent product property, no pollution to environment, etc.
干法制备具有生产成本低，产品性能优良，对环境无污染等优点。
Ultrasonic oil production technique is an effective method to enhance oil production with low cost and no pollution.
超声波采油技术是一种低成本、无污染的有效增产手段。
Each valve adopts pneumatic controlling, which makes actions quick safe, no pollution to the surrounding environment.
各控制阀均采用气动控制，动作迅速可靠，对周围环境无污染。
The flowsheet is simple and convenient to operate, with fewer reagent consumption, lower production cost and no pollution.
本工艺流程简单，操作方便，试剂用量少，产品成本低，对环境无污染。
Because of natural high arsenic in drinking water and no pollution else, it was drinking water type of endemic arsenicosis.
由于没有其他环境砷污染，水砷含量高是自然形成的，因此属于饮水型地方性砷中毒。
Each valve adopts pneumatic controlling, which makes actions quick and safe, and no pollution to the surrounding environment.
各控制阀均采用气动控制，动作迅速可靠，对周围环境无污染。
So, it is a kind of wild plant resource with abundant nutritions, no pollution, and great value of development and utilization.
有丰富的糖、有机酸及膳食纤维等，是一种营养丰富而全面又无污染、具有很大开发利用价值的野生植物资源。
The method has the characteristics of low - cost, convenience and ease, safety and no pollution, and high controlling efficiency.
具有成本低、简便易行、安全、不污染环境、效益明显等特点。
The technology of the ground treatment enjoys simple construction, no pollution, wide application and good development prospects.
该地基处理技术施工简单，无污染，适用性强，发展前景广阔。
The method has characteristics of no toxicity, no pollution and good corrosion resistance. So it has a bright application future.
该方法具有无毒无污染和防蚀效果好的特点，具有良好的应用前景。
As they have no needs for drivers and oil, these cars will help save energy and human labor and cause no pollution to the environment!
由于这些车都不需要司机和汽油，因此可以起到节约能源和人力的作用，同时对环境也没有污染。
The device has a high degree of automation, easy to adjust parameters, low labor intensity, no pollution, energy conservation and so on.
该设备具有自动化程度高，参数易于调节，劳动强度低，不污染环境，节约能源等优点。
The flywheel energy storage unit, which replaces the conventional chemical battery, is maintenance free, has long life and emits no pollution.
飞轮储能单元代替传统的化学电池，具有免维护、寿命长、无污染的特点。
Plant-derived pesticides have been drawn attention by people owing to its advantages of low toxicity, low residue and no pollution to environment.
植物源农药因其低毒、低残留和对环境无污染等优点，已引起人们的极大关注。
Thermoacoustic engine is a new type of engine which is based on the thermoacoustic effect, with no pollution, no moving parts, and high reliability.
热声热机是一种完全新型热机，工作于热声效应机理，具有无污染、无运动部件、可靠性高等优点。
Thermoacoustic engine is a new type of engine which is based on the thermoacoustic effect, with no pollution, no moving parts, and high reliability.
热声热机是一种完全新型热机，工作于热声效应机理，具有无污染、无运动部件、可靠性高等优点。
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