2453. This specification Meets industry standards for scope of material, arrangement, nomenclature and definitions

910. 在紧急情况下,可使用F-43燃油替代F-34和F-40燃油。

909. 快速拉动氧气面罩开始供氧

908. The exit doors used, to facilitate evacuation that are not normally used for exit

907. If the drain hole is clogged, clean it

906. Long noun clusters are not easy to understand because the words in the noun cluster can connect to each other in different way

905. 飞行计划的最高商度将受到影响。

904. In this example, we calculated the data applicable only to a Type B unit

903. Use the manual control in an emergency

902. It is possible that local fire codes, and standards make it necessary to use more restrictive procedures than those given in the subsequent steps

901. 缓慢地把RAT完全放出,并确保它不接触其他部件。