459.These safety precautions are the minimum necessary for work in the
maintenance area.

312.One generator can supply power for all the systems.

311.在断开组件之前,先将系统进行排气。

310.系统接口电路去适应连接系统的物理特性。

309.将旁通活门和排放活门同时拆解。

308.本手册包括联邦航空法规要求向飞行员提供的材料和制造商提供的附加信
息,并构成联邦航空局批准的飞机飞行手册。

307.When an illustration is required to be reproduced horizontally on
a page,the top of the illustration shall always be toward the left edge
of the sheet.

306.在补片表面施加重量,以确保部件正确粘合。

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rules that used by FAA in making its rules .

305.本规范编写时遵循的构成规则与 FAA 编写规则时用到的大体相同。

304.In the event a page must be added subsequent to the initial printing,
the page shall carry the number of the preceding page with a letter suffix
added.