2413. Schematic diagrams shall be used when necessary to indicate “flow” and to illustrate the operation of air control, electrical , fluid-power, fuel and turbo systems in as straightforward a manner as possible

A. Bleed the hydraulic system.

B. Pressurize the hydraulic system

C. Depressurize the hydraulic system

A. 文中此类插入语应简短明了并用于强调重要和关键的指示。

B. 文中此类插图应简单具体并用于强调重要和关键的指示。

C. 文中此类插入语必须简短明了并用于强调重要和批评性的指示。

A. ADHERE

B. FOLLOW

C. OBEY

A. The fuselage includes skin, stringers, frames, floor beams, floor, tail cone, and fuselage to wing and tail fittings, etc.

B. The fuselage includes skin, frames, stringers, floor beams, floor, tail cone, and fuselage to wing and empennage fillets, etc.

C. The fuselage includes skin, beams, stringers, floor frames, floor tail skid, and fuselage to wing and rear fairings ,etc.

A. 小心地展开薄板

B. 小心地合上铝片

C. 小心地打开钢片

A. 小心修理损伤的零件。

B. 小心易损伤的零件。

C. 对于损伤的零件要小心。

A. SPILLS

B. SPILLAGE

C. OVERFLOWS

A. Apply a thin layer of sealant on the sealing surfaces of the container;

B. Apply a small amount of sealant on the sealing surfaces of the container;

C. Apply a spot of sealant on the sealing surfaces of the container;

A. If the wheel temperature reaches as high as 177 deg, the core of safety plug shears off and the tire slips.

B. If the wheel temperature increases to more than 177 deg, the core of the fusible plug melts and the tire deflates.

C. The core of the filter element melts once the wheel temperature is above 177 deg, causing the tire to deflate.

A. 如果转子多次停止,检查摄入量是否超标。

B. 如果转子突然停止,检查进气口是否有多余物质。

C. 如果转子突然停止,检查摄入物质是否过多。