The potable water system is used to store and deliver fresh drinking water.

A. One or more separate documents for some types of equipment such as avionics and instrumentation may be required because they change frequently or they have various combinations.

B. Some types of equipment such as avionics and instrumentation are changed regularly or combined in different forms, requiring to have one or more separate documents.

C. Some types of equipment such as avionics and instrumentation are often revised or combined differently to require one or more separate documents.

A. 维护手册应提供标牌或标签的位置和图示， 以表明哪些是最低设备清单要求的。

B. 维护手册应提供标牌或标签的位置和图示， 以表明哪些是最低设备清单项目。

C. 维护手册应提供标牌或标记的位置和图示， 以表明哪些是最低设备清单要求的。

A. 在远离设备或金属框架建筑物的区域进行工作。

B. 在有设备或材料框架建筑物的区域进行工作。

C. 在远离设备或材料成型建筑物的区域进行工作。

A. 不要在机库里进行这项程序。

B. 不要在车间内进行这项程序。

C. 不要在机坪上进行这项程序。

A. 不要加注过量燃油。

B. 不要使用未知性能的燃油。

C. 不要使用性能未知的油液。

A. 维持发动机运转20分钟。

B. 使发动机怠速运转20分钟。

C. 快速运行发动机20分钟。

A. Make sure the probe cover is in good working condition with no evidence of damage.

B. Make sure the probe plug is in good condition and there is no signal of damage.

C. The probe lid is insured to be in ideal condition and out of damage.

A. 英语单词、复杂的句子结构以及多个含义和缩写词会对读者造成混淆。

B. 复杂的句子结构、多个含义和术语以及多个英语单词会对读者造成混淆。

C. 复杂的句子结构以及英语单词的多重含义和同义词会对读者造成混淆。

A. Technical verbs are the same as other approved verbs in STE to obey the rules .

B. Technical verbs must obey the same rules as other approved verbs in STE.

C. The approved verbs are required to obey the rules in STE as well as the technical verbs.

A. 复合板材使搭接处更坚固。

B. 加强板使搭接接头更坚固。

C. 经过再次强化的板材使搭接凸缘承力更强。