A、 substituted oil and authorized addings
B、 alternate fuels and approved additives
C、 replaceable fuels and accepted additives
答案：B
A、 substituted oil and authorized addings
B、 alternate fuels and approved additives
C、 replaceable fuels and accepted additives
答案：B
A. 应提供重量平衡装载表，同时提供相关计算程序的解释说明
B. 应提供重量和平衡载荷表以及说明计算程序。
C. 应提供重量和平衡载荷表以及计算步骤说明。
A. 将这个单元拆分为两部分。
B. 将这个单元重组成两部分。
C. 将这个部分拆分为两单元。
A. Systems/Chapters that are not applicable to the product by the manufacturers may be omitted or, where possible, omitted.
B. Manufacturers may omit Systems/Chapters that do not apply to the product, or omit such Systems/Chapters where feasible.
C. Manufacturers may omit System/Chapters that are not applicable to the product or combine System/Chapters where it is feasible.
A. The units used by pilots are the most valuable.
B. The units used are those which are the most expensive for pilots.
C. The units are the most useful for the pilots.
A. The function of the portable water system is to store and send drinking water to the passengers.
B. The potable water system must keep and transfer the water to the toilet for washing only.
C. The purpose of the drinking water system is to store and deliver the water for drinking.
A. Make sure the wire in this position is able to unlock the parts.
B. The wire must be positioned so that the parts can oscillate freely.
C. Ensure the wire is positioned to create a locking motion on parts.
A. 用于指示低压的压力计使用更灵活的管子，更容易展开和卷绕。
B. 用于指示较低压力的仪表使用更易弯曲的管子，线圈更易散开和缠绕。
C. 用于指示较低压力的压力表使用的软管更加柔软，可以随时解开和盘绕。
A. 这个单元的主要函数是控制燃油流动。
B. 这个装置的主要功能是控制燃油流量。
C. 这个组件的辅助功用是控制燃油流动。
A. 如果飞机停在机坪上，确保轮子刹车在位。
B. 如果飞机停靠在廊桥，一定确保轮档在位。
C. 如果飞机停在斜坡上,确保轮挡在位。
A. 在充气活门上的防尘螺帽被拆下来了，这样新鲜的空气源才能被连接到气门杆和螺套上，以打开充气阀门。
B. 在充气阀门上的可调节螺帽被拆除了，这样新鲜的空气源才能被连接到气门杆和螺套上，以打开充气阀门。
C. 充气阀门上的防尘帽被拆除，外接气源连接到阀门杆，旋转螺母被旋开以打开充气阀门。
