472. 如果不进行改装,这个组件的使用寿命就有可能比平时短

If the unit is not modified, its service life will be possibly shorter.

Without the modification of the unit, its service life is likely shorter than present.

Without the modification, it is possible that the service life of this unit will be shorter than usual.

正确答案：C

设备系统操作理论翻译

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2891. 此工作必须依据维护手册中的说明执行。

2890. Most have attached dust caps that should be removed only for the actual fueling process and then immediately replaced

2889. Life limited part means any part for which a mandatory replacement limit is specified in the type design or the maintenance manual

2888. 在这些情况下,拆除灭火瓶的爆炸帽是危险的。

2887. Today, the success of STE is such that other industries use it beyond its original intended purpose of aerospace maintenance documentation

2886. 覆盖在动力装置上和周围的可拆卸覆盖物。

2885. Move the rod in the opposite direction

2884. Whether or not the value shown is limiting, it should be stated

2883. Data Communication( ) will improve safety and efficiency by replacing voice communications,which are labor intensive and susceptible to error

2882. 按如下方式计算垫片的厚度:t=x-y。