498、Carefully put the valve assembly in its position and install the spacers and the bolts.

825、Apply sealant on the outer surface

824、Always keep the brightness control on the LCD display at maximum.

823、All two bracket holes must align with the fuel tube.

822、A small child should use an approved child restraint seat

821、最大着陆重量是着陆触地所批准的最大重量

820、抓住螺丝刀松开卡子

819、执行排故程序来找到故障原因图

818、这个原理图的使用者是飞行员

817、站位是机身沿线距离参考基准面以英寸计的位置

816、在设计原理图时,有必要折衷两方面:使示意图具有一目了然的详细性和便于阅读和理解的简单性