Documents should be readily revisable.

A. Use the clean solvent again to leave the oils on the surface.

B. If necessary, clean the oils by applying clean solution.

C. Remove the oils, if necessary, by applying clean solvent again.

A. 如果部件跌落，有可能会造成轻微的损坏。

B. 如果部件掉落，可能会造成永久性的损坏。

C. 部件永久性的损坏可能是由掉落造成的

A. Use the upper latch mechanism to lock the lower display unit in the middle.

B. The latch mechanism at the top is used to secure the center display unit on the bottom.

C. The center lower display unit is installed with the latch mechanism at the top.

A. 当顶升飞机或放下飞机时，始终保持水平高度。

B. 当升降飞机时，始终保持水平姿态。

C. 升降飞机时使飞机处在平衡状态。

A. The power is transmitted from the propeller to the engine.

B. The engine is used to transmit power to the propeller shaft.

C. The power is transmitted to the shaft by the engine cable.

A. Information on specific optional systems or equipment may be included in this section or in Section 9, Supplementary.

B. Information about noncompulsory systems or equipment may be included in this section or in Section 9, Supplements.

C. Information on specific optional systems or equipment may be included in this Section or in Section 9, Supplements.

A. The counted time resets to 0 when the button is kept down for two seconds.

B. The total time resets to 0 when the button is held on for two seconds.

C. The remained time resets to 0 when the button is seen down for two seconds.

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. Use the specified one if the equivalent material is not available.

B. Use the available equivalent one if no material is specified.

C. If you can not get the specified material, use an equivalent.

A. 前言中包括与CAP的程序关系，正常检查在产品说明中。

B. CAP中要说明产品与正常检查之间的程序关系。

C. 前言中包含CAP与产品正常检验程序的关系。