A、 During the system test, the PSU nitrogen mask doors will open and the nitrogen masks will appear in the nitrogen box if the door test stop or the tapes are not installed.
B、 If the door test stop or the masking tape is not installed, the doors of the PSU oxygen box will open and the oxygen mask will remain in the original position.
C、 The PSU oxygen box doors will open and the oxygen masks will go out of the oxygen boxes during the functional test if you do not install the door test stop or the masking tape.
答案：C
A、 During the system test, the PSU nitrogen mask doors will open and the nitrogen masks will appear in the nitrogen box if the door test stop or the tapes are not installed.
B、 If the door test stop or the masking tape is not installed, the doors of the PSU oxygen box will open and the oxygen mask will remain in the original position.
C、 The PSU oxygen box doors will open and the oxygen masks will go out of the oxygen boxes during the functional test if you do not install the door test stop or the masking tape.
答案：C
A. The cover contains manufacturer＇s information and will be subject to its discretion.
B. The cover is determined by the manufacturer and the information should be comprehensive.
C. The information to be included on the cover will be left to the manufacturer＇s discretion.
A. 用1/2英寸的扳手拆下盖子。
B. 用1/2英寸长的扳手拆下端盖。
C. 用1/2英寸的套筒拆下盖子。
A. 该部件中的空气循环使得特定部件的温度不超限。
B. 某些部件的温度不超限因此该部件中的空气能够流动。
C. 该部件中的空气的旋转和特殊部件的温度均不超限。
A. Other information or messages, e.g."Report to the manufacturer about the cracks existed", is included here.
B. Additional information or instructions,such as "Report any cracks found to this manufacturer”, are contained here.
C. You can find the following instructions here, for example " Report any scratches to the OEM".
A. 前面的每本手册都应该提供有效页清单。
B. 每本手册的前边都要提供有效页清单。
C. 页码有效性应该列在每本手册的前言里。
A. 警告：确保饮用水系统未加压。加压系统可能会造成人身伤害。
B. 注意：确保供应水系统没有压力。加压的系统会造成人身伤害。
C. 警告：确保整个水系统未加压。加压系统可能会造成人身伤害。
A. The emergency procedures check list should be in concise, abbreviated form designed to remind pilots of items to check without providing details concerning the operation of any system.
B. The normal procedures check list which should be in concise, abbreviated form is designed to tell pilots of items to check without providing details concerning the operation of any system.
C. The content of the emergency procedures check list should be in concise, abbreviated form and its purpose is to remind flight attendants of items to check with providing details concerning the operation of any system.
A. The incorrect operation of the connection units will result in a dirty contact.
B. A dirty contact in the connection units will cause them to operate incorrectly.
C. Improper operation of the connection units might be attributed to a dirty contact.
A. 支撑柱将地板结构固定在适当位置。
B. 支撑柱将地板结构固定在地面上。
C. 支撑柱适用于稳定的地板结构。
A. If the two indications do not agree, do the test again.
B. If there is a conflict between the two indications, repeat the test.
C. If the two indicators show any conflict, repeat the test.
