Be careful when you use consumable materials.

A. 当需要了解膜片时，使用箭头指示方向。

B. 必要时应使用箭头表示流向来理解原理图。

C. 利用箭头指示的方向来理解线路施工图。

A. 浸泡元件四个小时。

B. 冲洗元件四个小时。

C. 打磨元件四个小时。

A. The connector has 32 contacting points.

B. The contact has 32 contactors.

C. The contactor has 32 contacts.

A. 不要加注过量燃油。

B. 不要使用未知性能的燃油。

C. 不要使用性能未知的油液。

A. 一台发动机可以为所有系统供电。

B. 一台发电机可以为所有系统供电。

C. 一台动力装置可以为所有系统供电。

A. 接通断路器。

B. 打开电路接头。

C. 拔出跳开关。

A. Peel the coating from the harness.

B. Strip the insulation from the wire.

C. Stripe the insulation from the harness.

A. When simulating altitude, make sure you have alternate ATC transponders in active mode.

B. Make sure that the ATC transponders are in standby mode when you simulate altitude.

C. It is optional to keep the ATC transponders in ready mode during altitude simulation.

A. Use a drill bit not less than 45 mm long.

B. Use a drill bit that has a maximum length of 45 mm.

C. The drill bit used is more than 45 mm.

A. Do not put too much force on the brush when cleaning the carpet which can be easily damaged.

B. To prevent damage to the carpet when you clean it, do not use too much force on the brush.

C. Using too much force on the brush when cleaning the carpet will cause damage to it.