432.The surge tank drain check valve permits fuel in the surge tank to flow to either main tank 1 or main tank 2 ( )

505.Procedures contain instructions that tell you how to do a task Long sentences are not easy to understand In STE, the maximum length of a sentence for procedures is 20 words ( )

504.在钢表面上涂油。( )

503.遵守安全说明( )

502.确保阀门可以运行。 ( )

501.维修手册的索引应与第 20 部分的基本标准分类兼容。然而,制造商可以省略不适用于其产品的系统或章节, 或者在可行的情况下合并系统或章节。( )

500.APU 火警系统在驾驶舱内启动与发动机相同的火警警报。( )

499.工具随后可用于安装程序。( )

498.操作后绞车的人员 B 必须锁紧固定装置。( )

497.This procedure gives the instructions to attach the pylon( )

496.If in loose-leaf form，use "standard"， or commonly used page sizes