618、检查地板是否变形

A. 　 It's not easy to install more than two washers for each bolt.

B. 　 lt is forbidden(禁止) to install more than two washers for each bolt.

C. 　 Installing one washer for each bolt is forbidden.

A. 　 The component was damaged badly the repairing cost is over 60% of the total price. The workshop
suggests reporting as an unserviceable part.

B. 　 The component was damaged heavily, the repairing cost is over 60% of the total price. The workshop
suggests scrapping.

C. 　 The component was destroyed heavily, the repairing cost is 60% of the total price. The workshop suggests
segregation.

A. 　本文件中的任何零件没有出版商的许可不得复制

B. 　本文件中没有任何一个部分是没有得到出版商书面许可的

C. 　未经出版商书面许可,本文件任何部分不得以任何形式复制

A. 　 The user of this schematic diagram is the mechanic

B. 　 The user of this schematic diagram is the pilot

C. 　 The user of this schematic diagram is the flight attendant.

A. 　 Quickly turn on the oxygen system, the mask begins to supply oxygen.

B. 　 Pull the oxygen mask with a sudden movement to start the flow of oxygen.

C. 　 Suddenly start the oxygen supply system, the lake drops.

A. 　如果你发现了凹坑,做适用的维护程序

B. 　如果你发现了划痕,做具体的修理工作

C. 　如果你发现了裂痕,做适用的修理程序

A. 　 The center of gravity moves along with the weight of the wings.

B. 　 The center of gravity moves in relation to forces applied on the wings.

C. 　 The center of gravity moves evenly to the 1oads of the wings.

A. 　 Warnings, cautions and notes may be used to highlight or repeat important points.

B. 　 Warnings, cautions and notes may be used to highlight or emphasis important points.

C. 　 Warnings, cautions and notes may be used to highlight or emphasize important points.

A. 　 Let the plate dry at applicable temperature.

B. 　 Let the plant dry at avai1able temperature.

A. 　、 lf the filters become clogged after an unusually short time, send them to the laboratory for analysis of the contamination.