237、To install the indicator, tilt it rearward.

A. 　所有三个螺栓孔必须与燃油管匹配。

A. 　 The difference between the two sizes must be 0.10mm or less.

B. 　 The difference between ‘the two dimensions must exceed 0.10mm.

C. 　 The error between the two sizes must be less than 0.10mm.

A. 　用真空清洁器和刷子清洁设备的内部及其底座。

B. 　用真空清洁器和刷子清洁设备的外表面以及安装架。

C. 　真空清洁设备及硬件设施的表面涂层。

A. 　保证所有的使用途径都满足适航要求。

B. 　阐明我们所使用的所有方法都满足适航要求。

C. 　确保我们所使用的所有方法都满足适航要求。

A. 　拧松螺钉,但同时不要给它们打力矩

B. 　拧紧螺母,但此时不要给它们打力矩

A. 　 Repair the broken seals.

B. 　 Repair the damaged sealant

C. 　 Repair the damaging sealant

A. 　 Make sure that the fuel quantity from the wing tanks to the center tank is the same.

B. 　 Make sure that fuel from the wing tanks flows at the same rate into the center tank.

C. 　 Make sure that the fuel flow supplied to the wing tanks and the center tank is at the same rate.

A. 　如果你看到染色,拆卸部件

A. 　要先安装螺钉(10),才能安装盖组件(9

B. 　要拆下盖组件(9),首先要拆下这四个螺钉(10)

C. 　要拆下螺母(9),首先要拆下这四个螺栓(10

A. 　确保标签完全贴平

B. 　确保锁扣完全扣好

C. 　确保机构完全连接