用适用的公式计算压力。

Hydraulic fluid causes fast deterioration of painted surfaces.

Do these checks randomly.

Do not refuel the aircraft during maintenance.

The bottom mark on the board is red.

Make sure that the parts are loosely assembled.

Identify the bellcrank and shaft with marks to prevent incorrect installation.

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

Dents are not permitted if they prevent correct operation of the parts.

You can write descriptive text in the active voice.

The side stay holds the main gear leg.