I need a bigair conditioner to cool a large volume of space.
我需要一个大的空调去冷却大量的空间。
2
Therefore, double screw compressor and worm compressor compared, in the same speed of the units inside less number of exhaust air ripple, bigair flow noise.
因此,双螺杆压缩机与蜗杆压缩机相比,在相同转速下单位内排气次数少,气流脉动大,气流噪声大。
3
Overhead, the chopper roared and the big blades churned the air.