Boeing also confirms that ground vibration testing were concluded last week on the second test aircraft, ZA002.
波音表示，地面振动测试已经于上周在第二架测试飞机-ZA002上完成。
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。
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。
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