8.In this configuration,the hydraulic pressure bypasses the valve.

A. 燃油排放系统保持油箱压力接近环境压力。太大的压力会引起机翼结构损坏。

B. 燃油通风系统保持油箱压力接近大气压力。压差过大会引起机翼结构损坏。

C. 燃油通风系统确保油箱压力在接近大气压时保持稳定。太大的压力变化会引起机翼结构损坏。

A. 按需执行以下两个步骤。

B. 按需执行先前两个步骤。

C. 按需重复先前两个步骤。

A. If the airframe manufacturer makes any alteration to the component of the text or illustrations,the component manufacturer will use its own masthead.

B. If the airframe manufacturer changes the component manufacturer's text or illustration in any way,he shall apply his own masthead.

C. If the airframe manufacturer alters the text or illustrations of the component manufacturer's in any way,it's own masthead shall be used.

A. The safety procedures are supplied by the manufacturer.

B. Safety procedures are to be supplied to the manufacturer.

C. Safety procedures are provided for manufacturers to follow.

A. Rivets can be used to separate the two stringers.

B. You can use two rivets to attach the stringers together.

C. Use rivets to connect the two stringers together.

A. Possibly,the incorrect operation will occur due to the contaminated oil jet.

B. Incorrect operation is absolutely resulted from a blocked ignitor.

C. A blocked oil jet can cause incorrect operation.

A. 在高压设备附近工作时,要注意遵守相关的安全预防措施。

B. 进行高压设备操作时要遵守安全操作手册。

C. 在高压设备上工作时要遵守安全防范措施。

A. Use a fan to suck the gases.

B. Use a turbine fan to remove the gases.

C. Use a fan to remove the gases.

A. 确保螺钉稳固。

B. 确保螺母拧紧。

C. 确保螺栓牢固。

A. 供给系统有这些用处。

B. 分散系统有这些功能。

C. 分配系统有这些功能。