EA111发动机机放油螺栓的拧紧力矩是()
A.25Nm
B.30Nm
C.40Nm
D.50Nm
参考答案:B
回答顾客问价的句子是()。
A、How much do you sell this rose?
B、How much do you charge for the bunch of flowers?
C、That’ll be 10 US$.
D、How much, please?
若遇有飞机故障,SSR的特殊识别码应该是()。
A.7500
B.7600
C.7700