Following the fuel testing the aircraft is undergoing structural coupling and ground vibration testing, as well as completing hydraulic testing of the doors and landing gear.
此次燃料测试后，飞机将进行结构耦合和地面振动测试，并将完成门和起落架的水压测试。
2
Environmental clean: using screw gear transmission, discard the traditional hydraulic design, working environment, environmental clean.
洁净环保：采用丝杆齿轮传动，抛弃传统液压设计，工作环境洁净环保。
3
Adjusting safety device for hydraulic system of steering gear (windlass, mooring winch).