823、紧急程序检查单应简明扼要，旨在提醒飞行员检查的项目，但不应提供任何系统操作的细节

665、The technical reference document contains a list of necessary document, such as Service Bulletin, Service Letter and etc.

664、The system is used to indicate the quantity, temperature and pressure of the oil.

663、The Specification contains little new material or novel approaches.

662、The second method does not require pressurization of the pneumatic crossover manifold, but utilizes an external airsource connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance.

661、The schematic diagrams should include generators, tanks and reservoirs that are considered to be the starting points ofthe flow

660、The repair limits are not given because special equipment is necessary.

659、The purpose of Such terms is to provide definitions which are of practical value for technical communication.

658、The procedures shall clearly describe the step by step operation in a logical work flow sequence as necessary to gainaccess to and subsequently remove the hardware or install the hardware. were

657、The primary function of the hydraulic pressure system is to supply pressure for the operation of the flight controls.

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