Lpg mini - buses will also be on trial run on the campus in response to the government s clean air campaign 又会试行石油气小巴，以响应政府的清新空气大行动。
3.
China ' s top brass was stunned by the power of the u . s . air campaign and by cnn clips of smart bombs diving through ventilator shafts 中国高级将领看到美国空战的威力以及cnn短片中，智彗型飞弹潜入通风井时只有目瞪口呆。
