If necessary, add more gaskets.

A. 如果可行，应避免交叉。

B. 如果要进行施工，则应避免交叉。

C. 如果可行，各管路应避免干涉。

A. Pavement requirements for the exactly aircraft are derived from the static analysis of loads imposed on the main landing gear struts.

B. Pavement requirements for the one aircraft are derived from the static analysis of loads imposed on the main landing gear struts.

C. Pavement requirements for the particular aircraft are derived from the static analysis of loads imposed on the main landing gear struts.

A. After finishing the following procedure, repair the upper flange.

B. Repair the lower flange first during the procedure that follows.

C. Repair the upper flange first during the following procedure.

A. On the front of the phone, there＇s a screen, and you can touch the home button.

B. The screen of the phone is on the panel, and you can touch the home button.

C. The front panel of the phone has a touchscreen and a home button.

A. There are electrically-operated valves in the ejection lines to the two engine pumps.

B. There are electronic-operated valves in the ejection lines to the two engine pumps.

C. There are electrically-operated valves in the suction lines to the two engine pumps.

A. The introduction should be included in an alphabetical index by subject.

B. An alphabetical index by subject is to be included in the introduction.

C. The introduction includes an alphabetical index subject.

A. 1号和2号发电机为其对应的机翼供电。

B. 1号和2号发动机为其对应的机翼提供热空气。

C. 1号和2号发动机为相关的机翼释放热空气。

A. 当该面积足够凉爽时，喷涂表面。

B. 当该区域足够凉时，抛光表面。

C. 当该区域足够凉时，喷涂表面。

A. Continue with the electronic adjust.

B. Complete with the electronic test.

C. Continue with the electrical test.

A. Engine Operating Limits include Limits for Take off Power, Maximum Continuous Power, and Maximum Cruising Power.

B. Engine Operating Limits include limits for Take off Thrust, Maximum Cruise Power, and Maximum Normal Operating Power.

C. Engine Operating Limits include limits for Take off Power, Maximum Continuous Power, and Maximum Normal Operating Power.