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。
The structural coupling is a common geological phenomenon.
构造耦合作用是一种普遍存在的地质现象。
The structural coupling is a common geological phenomenon.
构造耦合作用是一种普遍存在的地质现象。
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