321.If you use more complicated types of sentence structure other than the imperative form, you can cause ambiguity ( )

616.Make sure that the cable is not caught ( )

615.The passenger cabin exhaust air goes through floor grilles to the recirculation system or overboard( )

614.校装:飞行舵面的控制和行程的调整,包括钢索张力的设定、飞行舵面行程限制的调整和行程止点的设置( )

613.适当地包括与门控制相关的电气和液压系统。( )

612.If you cannot hear the alarm, adjust the volume control ( )

611.若为活页,则每一页应注明修订日期和生效日期,或以其他方式标识修订状态( )

610.为乘客和机组成员储存调节和输送氧气的组件和部件,包括氧气瓶释压活门,关断活门,出口,调节器面罩等( )

609.维修信息需要不断更新( )

608.If possible, always tell your reader what can occur if the safety instruction is not obeyed ( )

607.Engine Controls and Instruments include, definitions, descriptions or explanations of the following terms or components The definitions , descriptions land explanations provided are examples Those used in a particular Handbook should be appropriate for that particular airplane of installation ( )