2489. The fan and booster is a four-stage compressor

874. MAKE SURE THAT THE FLAPS ARE RETRACTED AND THE AILERON TRIM HAND WHEEL IS IN THE ZERO POSITION

873. 系统中用于储存和输送非饮用水的部分。

872. Include damage limits for glass and acrylic

871. 在大多数操作中,有对工作很重要的关键项。

870. Make sure that the sealant does not cause a blockage of the drain

869. That portion of the system which controls the pitch of the propeller blades Includes items such as governor, synchronizers, switches, cables, levers, etc Does not include any parts which rotate with the propeller assembly

868. If there are metal particles in the oil filter, examine the filter elements for wear

867. The height from the ground to the top of the fin can change

866. 临时用一些辅助螺丝来组装这个部件。

865. All official technical names that have more than three nouns are written in full the first time that they occur Then, in the remaining parts of the text, the related approved abbreviations are used