912、If the pump is unserviceable ,replace it 如果泵不能使用,请更换

A. 　将测量误差值控制在正或负 0.2 毫米内。

B. 　误差为正负 0.2 毫米。

C. 　标准公差尺寸为正负 0.2 毫米。

A. 　确保你要逆时针旋转控制按钮。

B. 　 确保顺针转动旋钮。

C. 　确保你要逆时针转动控制旋钮。

A. 　删除某些规则,并将其概念包含在其他规则中。

B. 　删除某些规则,并将其细则包含在其他规则中。

A. 　 Lock the air inlet valve in the fully open position unless the air inlet flap is not serviceable.

B. 　 lf the air intake flap is not serviceable, lock the air inlet valve in the fully open position

C. 　 Once the air intake flap is serviceable lock the air inlet valve in the fully open position.

A. 　紧握住缸体

B. 　轻轻握住圆柱体

C. 　紧握住作动筒

A. 　如果危险被含糊描述,人员在执行任务时要了解风险,之并更加小心。

B. 　危险是否被清楚说明,以致于执行任务的人是否有必要了解风险,并更加小心。

C. 　如果清楚说明了危险,执行任务的人就会了解风险且更加小心。

A. 　 When there are too many positive or subtractive pressure in the fuel tanks the pressure relief valve
eliminates damage to the wing structure.

B. 　 when there is too much plus or minus pressure in the fuel tanks, the pressure relief valve previews damage
to the wing structure.

C. 　 The pressure relief valve prevents damage to the wing structure when there is too much positive or
negative pressure in the fuel tanks.

A. 　 Grab a plier to release the clips.

B. 　 Grab a screwdriver to release the bolts.

C. 　 Grab a screwdriver to release the clips.

A. 　 Documents must be temporarily edible.

B. 　 Documents must be readily revisable.

C. 　Documenits must be permanently durable

A. 　 Put sealant around each screw hole.

B. 　 Seal each screw hole.

C. 　 Put each screw hole into sealant.