321、Tighten the bolts manually if you cannot do it with the specified tool. 如果不能使用指定的工具手动紧
固螺栓。

954、 Obey local regulations for the correct procedures to use or discard solvents

953 、 No part of this document may be reproduced in any form without permission in writing from the
publisher.

952、 Move the tensiometer along the cable.

951、Move the rod in the opposite direction

950、Move the lever rearward

949、most secondary structures are important to the performance of the airplane

948、Most of the switches you use to control the electrical power system are on the electrical system control
panel.
大多数用来控制电力系统的开关都在电力系统控制面板上。

947、 Mechanical power is produced by electric motors that are mainly used to drive pumps, for example,
fuel and hydraulic pumps or to drive ‘a valve to the commanded position in the fuel, hydraulic or air
conditioning system or to move mechanical parts like doors and cargo containers. 机械动力是由电机产生的,
主要用于驱动泵,例如燃料泵和液压泵,或驱动阀门到燃料、液压或空调系统的命令位置,或移动机械部
件,如门和货物集装箱。

946、Maximum landing gear operating speed is the maximum speed at which the landing gear can be safely
extended or retracted 最大起落架工作速度是起落架可以安全伸展或收放的最大速度

945、 Make sure that there is no dust on the surface