电热锅炉具有无噪音，无污染，技术先进，绿色环保，制造简单，结构紧凑及安全高效等特点。
Electric heating boilers enjoy the following merits: no noise, no pollution, advanced technology, simple fabrication, compact construction, safe and high efficiency operation, etc.
解决空气污染的方法之一就是制造无污染汽车。
One way to get rid of the polluted air is to make a car without pollution.
另外，激光表面微造型技术以其制造加工速度快、对环境无污染以及优良的形状和尺寸控制能力被认为是表面微造型领域成功的造型方法。
Laser surface texturing(LST) has been the most successful way in surface texturing because of its good performance such as high speed, non pollution and excellent control ability for shape and size.
它具有能量利用率高、无反射以及真空环境无污染等优点，可实现近形成型与快速制造。
It can make full use of energy with high absorption ratio and no pollution in vacuum environment.
制造商们正在努力开发节能技术，以此来实现世界环境绿色无污染的梦想。但是在他们找到最佳解决方法之前，他们还有很长的路要走。
Manufacturers are working hard to develop energy efficient technology in order to bring green world environment, yet they have miles to go before they develop optimum solution to this problem.
制造商们正在努力开发节能技术，以此来实现世界环境绿色无污染的梦想。但是在他们找到最佳解决方法之前，他们还有很长的路要走。
Manufacturers are working hard to develop energy efficient technology in order to bring green world environment, yet they have miles to go before they develop optimum solution to this problem.
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