1133. Some chemicals must be well kept so that they can be used

A. If pump makes noise, shut it down and check the pump filter.

B. If pump operation is noisy, check pump filter for metal particles.

C. If there is noise when the pump operates, examine the filter for metal particles.

A. If you want to use the STE specification properly, a high professional standard is required.

B. A high level of professionalism requires the correct use of STE specifications.

C. In order to use the STE specifications appropriately, high professionalism is needed.

A. 飞机的总布置图应以比例线图表示,该图由后视图,侧视图和正视图组成,并以垂直顺序显示在一页纸上。

B. 飞机的总布置图应以比例线图表示,该图由平面图,侧视图和正视图组成,并以垂直顺序显示在一页纸上。

C. 飞机的总布置图应以比例线图表示,该图由平面图,俯视图和正视图组成,并以垂直顺序显示在一页纸上。

A. Inspect the fairing completely.

B. Do a detailed visual inspection of the fairing.

C. Inspect the whole fairing.

A. Give long term protection to areas of bare metal since bare metal surfaces are usually unsatisfactory for an electrical bond.If there is corrosion on the surfaces,it will cause severe problems.

B. Give temper protection to areas of bare metal since bare metal surfaces are always satisfactory for an electrical bond.If there is corrosion on the surfaces,it will cause severe problems.

C. Protect the bare metal areas temporarily since this kind of surfaces are usually adequate for an electrical bond.If corrosion happens on the surfaces,it will bring serious problems.

A. 定位器与跑道中心线对齐,下滑道与跑到出口成一定角度。

B. 航道与跑道中心线对齐,下滑道与跑到入口成恒定角度。

C. 航道与跑道中心线对齐,下滑道与跑到出口成恒定角度。

A. LEDs are simple and practical.

B. LEDs are complex and reliable.

C. LEDs are simple and dependable

A. 再次启动发动机前,清除地面燃油。

B. 再次启动发动机前,拆除燃油管。

C. 启动发动机前,清除地面杂物。

A. OCCUR

B. FOUND

C. ARISE

A. You need to remove and install the condenser/reheater with the water collector separately.

B. You need to remove and install the condenser/reheater with the water collector together at one time.

C. The purpose of removing and installing the condenser with the water collector as an assembly is just for convenience.