The radius of the curve must be a minimum of 8 mm.

A. This program is not available at present.

B. This procedure is not applicable at this time.

C. This program is not reasonable now.

A. When the required maintenance procedure is not very long and fairly simple, the above combination can be grouped under a title which is called maintenance practice.

B. When the required maintenance procedure is not lengthy and is relatively simple, a combination of the above may be grouped under one heading and called maintenance practices.

C. When the required maintenance procedures are not very long and comparatively simple, the above combinations can be bound under one subject, calling maintenance practices.

A. The turbines are used to extract energy from the exhaust gases and are coupled to the crankshaft.

B. The turbines can drive energy to exhaust gas and connects crankshaft.

C. The turbines can extract energy from the exhaust gases and drive the crankshaft.

A. If the lamp is too weak, charge the battery.

B. If the light is too strong, do a replacement of the battery.

C. If the light is not bright, the battery should be replaced.

A. 必须找到生效日期、修订号和修订日期（如申请）。

B. 必须记录生效日期、生产号和修订日期（如适用）

C. 尝试确认生效日期、修订号和修订日期（如适用）。

A. Vigorously scrub the surface with a rough, dry cloth.

B. Polish the surface with a soft, damp cloth.

C. Rub the surface quickly with a soft, dry cloth.

A. 这将使用户可以通过检查一份清单来识别受影响的飞机，而不必检查每个单独的持续适航计划以确定适用性。

B. 这将允许用户通过检查一份清单来找出受影响的飞机，或者也可以检查每一个持续适航计划的适用性。

C. 这将使用户可以通过检查一份清单来判断被影响飞机的有效性，而无需检查每个独特的持续适航计划。

A. The user of the schematic diagram is the pilot.

B. The captain must use the schematic diagram.

C. The principle scheme should be used by the co-pilot.

A. 如果不遵守特殊预防措施，机械员打开舱门时很容易造成站在门附近的人员受伤。

B. 打开车门的机械员没有遵守规舱定的安全预防措施，造成了站在附近的人员受伤。

C. 机械员在未遵守规定的安全预防措施的情况下打开舱门，很容易造成站在舱门附近的人员受伤。

A. Clamps should be spaced at intervals not exceeding 24 inches. Clamps on wire bundles should be selected so that they have a snug fit without pinching wires.

B. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without pinching wires.

C. Pins should be spaced at intervals not exceeding 24 inches. Pins on harness should be selected so that they have a snug fit without scratching wires.