Stairs whose primary structure is a door shall be covered under the appropriate topic. Includes items such as structure, actuating mechanisms and controls, handrails, etc.

根据相应的主题，涉及到门为主结构的扶梯。包括结构件、驱动机构和操纵装置、扶手等项目。

主要结构为舱门的登机梯应被归入适当的主题中，包括结构件、作动机构和控制器和扶手等。

以门为主要结构的楼梯应在相应主题下讨论，包括结构件、驱动机制、控制、扶手等问题。

正确答案：B

（英译汉）英语。翻译。汉语

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Make sure that the movement of the elevators is slow.

Assemble the unit.

This Specification refers to various FAA regulations.

This data module tells you how to operate the unit.

Speed-Attitude Correction system automatically maintains a safe flight attitude by correcting for effects of speed.

Illustrations showing location of attachment points, turning radius shall be included.

A system is a combination of interrelated components arranged to perform a specific function.

Appropriate revision pages and related effectivity page lists will be provided when amending the basic document.

Manufacturers may omit systems not applicable to their product.

Use some auxiliary screws to assemble the unit temporarily.