628.用手摇泵将系统加压到 150 巴。

A. 确保束缚杆没有与安装在地板上的逃离滑梯支架啮合。

B. 确保束缚杆没有装在地板上的逃离滑梯支架上。

C. 确保束缚杆没有与在地板上的逃离滑梯支架对齐。

A. 改版是指对现有数据进行更新。

B. 手册修订是指对其内容进行升级更新。

C. 修订是指对现有手册中信息的修改。

A. This example shows that we were only allowed to calculate the data applicable to a Type B unit.

B. The data we are now calculating in this example apply only to Type B unit.

C. The data used for the calculations in this example apply only to a Type B unit.

A. 当你选用一个词时,一定要确保你选择的变换时态不会改变句子的意思。

B. 当你替换一个词时,一定要确保你选择的非传统词汇不会改变句子的平均句长。

C. 当你替换一个词时,一定要确保你选择的替代词不会改变句子的意思。

A. 1 号和 2 号发电机为其对应的机翼供电。

B. 1 号和 2 号发动机为其对应的机翼提供热空气。

C. 1 号和 2 号发动机为相关的机翼释放热空气。

A. 飞机交付后因进行改装而需要对《维护手册》进行修订时,由改装设计批准书持有人负责。

B. 因飞机交付后进行改装而需要对《维护手册》进行修订时,由型号设计改装批准者负责。

C. 由于飞机交付后的改装而需要对《维护手册》进行的任何修订,由改装的型号设计批准者负责。

D. C.由于飞机交付后的改装而需要对《维护手册》进行的任何修订,由改装的型号设计批准

E. C.由于飞机交付后的改装而需要对《维护手册》进行的任何修订,由改装的型号设计批准者负责。

A. Setting cable tension,flight control surfaces travel limitsand stops are the main tasks of rigging.

B. Cable tension set,flight controls travel limits adjustment and travel stops set are the rigging procedures.

C. Rigging involves setting cable tension,adjusting travel limits of flight controls,and setting travel stops.

A. Fill the outer tank before you fill the inner tank.

B. Fill the inner tank before you fill the outer tank.

C. Fill the inboard tank before you drain the overboard tank.

A. The localizer beam is aligned with the centerline of the runway.

B. The localizer way is misaligned with the centerline of the runway.

C. The localizer course is aligned with the centerline of the runway.

A. Obey the safety precautions when you do work with high voltages.

B. When working with high resistances,you should follow the safety precautions.

C. The safety precautions are optional in an environment with high voltages.