Their maneuvering and control systems are made up of several propellers. This system has many disadvantages such as big volume, high consuming of energy, low total efficiency , high noise and vortex.
它们使用的操纵和控制系统大多是由多个螺旋桨推进器组成的，这样的系统体积大、重量大、能耗高、综合效率低，并有较大的噪音和尾涡。
Vortex air compressor features: 1, high reliability. 2, noise is extremely low. 3 and the energy consumption minimum. 4, maintenance costs minimum.
涡旋空气压缩机的特点：1、可靠性高。2、噪音极低。3、能耗最低。4、维护费用最低。
应用推荐