Beijing railway has the original railway, every day through three pairs of conventional trains, a pair of train travel round-trip air-conditionedcar in Beijing - brook sources.
铁路有京原铁路，每天有三对常规列车通过，一对旅游专列空调车往返于北京—涞源之间。
2
The microenvironment in air-conditioned passengers car can not satisfy most passengers, including two important problems: thermal comfort and the air quality.
空调列车车厢微环境尚不能令多数乘客满意，包括热舒适性和空气质量两大问题。
3
They also have the comfort of using a heated and air-conditioned transportation car that has carpet and flat-panel televisions for their amusement (paid for primarily by the wealthy, of course).