127. The intermediate pressure check valve ( ) prevents air in the HP/IP manifold from going into the fourth stage bleed air source

A. The center of the circuit gravity moves by the loads on the aileron.

B. The center of gravity moves in relation to the loads on the wings.

C. The center of gravity moves along with the weight on the flaps.

A. the pump did not operate because the shaft was broken.

B. The pump did not operate does the shaft was broken.

C. the pump did not work as the shaft was broken.

A. 饮用水系统是用于回收和提供污水的.

B. 便携式水系统是用于储藏饮用水和污水的;

C. 饮用水系统是用于提供饮用水和存储污水的;

A. Before removing and disposing the seal ring, cut and dispose the fuse that secures the oil drain plug to the fuel cooled integral drive generator oil cooler.

B. Before removing and retaining the seal ring, cut and retaining the wire that secures the oil fill plug to the fuel cooled integral drive generator oil cooler.

C. Before removing and discarding the sealing ring, cut and discard the wire which safeties the oil cooler.

A. The external diameter must be concentric to the internal diameter

B. The outer radius and the inner radius must be suitable.

C. The exterior radius must be installed on a common shaft with the interior radius.

A. get

B. achieve

C. perform

A. 1944年,随著空中航行法令和规章的各种要求得以实现英国民用适航机构形成了适航标准的法典

B. 1944年,英国制定了民用适航要求来形成空中航行指令和规则守则。

C. 1944年,随者英国民用适航要求的制定,形成了适航标准的法典,通过该法典,空中航行法令和规章的各种要求得以实现。

A. 螺柱的凹陷不得超过5mm

B. 螺柱的突起不得超过5mm

C. 螺纹的长度不得超过5mm

A. 所有补充项目都可以发给手册中包含的全部飞机型号的所有者。

B. 所有附录都可以发给涵盖在手册中的所有型号飞机的所有持有者。

C. 所有补充材料都可以发给手册所涵盖的飞机机型的全部所有者。

A. ABC has determined the varied mission the airplanes performed, type of care given,and age and utilization rates because providing additional inspection requirements is prerequisite to further ensure that the airplanes can continue to carry the design loads it was originally certified for based on inspections, tests, and analyses.

B. Because of the varied mission the airplanes performed, type of care given, and age and utilization rates, ABC has determined, based on inspections, tests, and analyses, that it is prerequisite to provide additional inspection requirements to further ensure that the airplanes can continue to carry the design loads it was originally certified for.

C. To further ensure that the airplanes can continue to carry the design loads it was originally certified for.owing to the diversified mission the airplanes performed, type of care given,and age and utilization rates, ABC has determined that providing additional inspection requirements is necessary based on inspections, tests, and analyses.