When the spring compresses, the valve opens.

Wires and wire bundles must be supported by clamps or plastic cable straps. Clamps and other primary support devices must be constructed of materials that are compatible with their installation and environment, in terms of temperature, exposure to ultraviolet (UV) light, and wire bundle mechanical loads. They should be spaced at intervals not exceeding 24 inches. Clamps on wire bundles should be selected so that they have a snug fit without pinching wires.

A. 导线和导线束必须由卡箍或塑料钢缆扎带固定。卡箍和其他主要支撑装置必须采用与其安装和环境兼容的材料，包括温度、是否暴露于紫外线和导线线束机械负载等方面。它们应该间隔不超过24英寸。应该选择适合的卡箍，以便紧密贴合而不夹住导线。

B. 导线和导线束必须由卡箍或塑料钢缆扎带固定。卡箍和其他主要支撑装置必须采用与其安装和环境兼容的材料，包括温度、是否暴露于紫外线和导线线束机械负载等方面。它们应该间隔不超过24英寸。应该选择适合的卡箍，以便紧密贴合而不扭曲导线。

C. 导线和导线束必须由卡箍或塑料电缆扎带固定。卡箍和其他主要支撑装置必须采用与其安装和环境兼容的材料，包括温度、是否暴露于紫外线和导线线束机械负载等方面。它们应该间隔不超过24英寸。应该选择适合的卡箍，以便紧密贴合而不夹住导线。

The bottom mark on the board is red.

A. The color of the bottom mark on the plate is amber.

B. You can see the red bottom mark on the board.

C. There is no color of the bottom mark on the board.

The title page shall contain the airplane serial number and registration number if appropriate.

A. 适当情况下，扉页应包括飞机航班号和型号。

B. 适当情况下，标题页应包含飞机航班号和注册号。

C. 适当情况下，标题页应包含飞机序列号和注册号。

Recommended Fuel Conservation Information shall be integrated into this section to show the pilot how to minimize fuel usage during operation of the airplane.

A. Suggested Fuel Conservation Information shall be incorporated into this section to show the pilot how to reduce the fuel usage to a minimum.

B. In order to show the pilot how to take full advantage of fuel during operation of the airplane, Suggested Fuel Conservation Information shall be merged into this section.

C. Approved Fuel Conservation Information shall be merged into this section so as to show the pilot the fuel usage during operation of the airplane.

When you remove the shroud, be careful not to cause damage to the flange assembly.

A. 当你拆下罩环时，小心不要损坏法兰组件。

B. 当你拆下冠环扇形件时，小心不要造成法兰盘损坏。

C. 拆下法兰盘时，小心不要造成冠环扇形件损坏。

Do a full check of the hydraulic system.

A. Do a thorough check of the hydraulic system.

B. Do a check of the hydraulic system carefully.

C. Do a check of the hydraulic system again.

Access to the base is permitted between 9 a.m. and 6 p.m.

A. 允许在下午9点到上午6点之间进入基地。

B. 允许在上午9点到下午6点之间审核基地。

C. 允许在上午9点到下午6点之间进入基地。

If possible, supply sufficient examples from your technical documentation to support your proposal.

A. 如果可能，从技术文件中提供充分的示例来支持您的提议。

B. 如果可能，请从技术文档中提供有效的示例来支持您的措施。

C. 如果可能，将从技术文档中提供足够的示例来构建您的想法。

要指出的是，在对飞机进行任何改装之前，都应该先与联邦航空局联系，以确保飞机的适航性不受影响。

A. Point out that the FAA should be contacted prior to any alterations on airplane to ensure that the airworthiness of the airplane is not violated.

B. Point out that the FAA should be informed after any modifications on airplane to ensure that the airworthiness of the airplane is not effected .

C. Point out that any modifications on airplane may be informed to FAA to confirm the airworthiness of the airplane.

A smaller damage is permitted without repair.

A. 较小的损坏可以不修理。

B. 更小的损坏不具备修理条件。

C. 一个稍小得损坏允许不带有修理方案。