118.To adjust the volume, use the buttons on the side of the phone( )

818.大气压力随海拔的升高而降低。( )

817.De-energize the system ( )

816.给定襟翼设置时,不要超过此速度 ( )

815.The operational test for the HFS-900D transceivers is a BITE test which does a check of the internal functions of the HF transceiver( )

814.Identify sections that can cause specific types of trouble( )

813.将拆下的紧固件报废 ( )

812.Fire seals are those fire-resistant partitions and seals mounted on or about the power package for the purpose of isolating areas subject to fire ( )

811.The laptop has three primary parts( )

810.手册是以带有耐用封面的活页形式还是以永久装订好的形式呈现由制造商来决定。( )

809.This Specification was developed by the General Aviation Manufacturers Association( )