如果天然气快速增长的态势持续下去，仅需几十年时间它就可以取代煤炭成为世界第二大受青睐的燃料，数百万人会因此而呼吸更加顺畅。
If the boom persists gas may take coal's place as the world's second-favourite fuel in just a few decades, and millions will breathe easier as a result.
但如果多数用气设备必须要用6.5巴的气，那么用较高的压力来工作就不经济了，因为只要少数几台设备需较高的压力。
But if most gas equipment must be in 6.5, and the gas, so with higher pressure to work will not economic, because as long as a few devices need to high pressure.
根据行业用气设备对压缩机气体的要求，应适宜的选用压缩机及配套设备。需考虑的有以下几点。
According to industrial gas equipment to the requirements of the compressor gas, should appropriate chooses compressor and equipment. To consider have the following.
应用推荐