A、 Substitutes with different quality can be used.
B、 You can not use substitutes with same quantity.
C、 Equivalent substitutes are permitted to use.
答案：C
A、 Substitutes with different quality can be used.
B、 You can not use substitutes with same quantity.
C、 Equivalent substitutes are permitted to use.
答案：C
A. 确保装置底部的两个接线板接合。
B. 确保装置底部的两个插口接合。
C. 确保装置底部的两个接线板接通。
A. You need to open the cargo door when the windspeed exceeds 30 knots.
B. Wait for the wind speed to increase to over 30 knots before opening the cargo door.
C. You are allowed to open the cargo door when the wind speed reduces to less than 30 knots.
A. 在移动控制杆(器)前,检查锁定状态。
B. 请在完成解锁前移动控制杆(器)。
C. 移动控制杆(器)之前先解锁。
A. 如果转子突然停止,请检查进气中是否含有不需要的杂质。
B. 如果转子突然停止转动,检查进气道是否存有外来物。
C. 如果转子突然停止,请检查进气口是否有需要的杂物。
A. It's not easy to install more than two washers for each bolt.
B. It is forbidden to install more than two washers for each bolt.
C. Installing one washer for each bolt is forbidden.
A. The aft lanyard attached to the access door to the right APU compartment is broken.
B. The after end of lanyard attached to the access door to the right APU compartment is fractured.
C. The lanyard attached to the after end of the right access door to the APU compartment is frayed.
A. 确保压力不低于 30 磅每平方英寸。
B. 确保压力小于 30 磅每平方英寸。
C. 确保压力不高于 30 磅每平方英寸。
A. Lubricate the elevator tab hinges.
B. Lubricant the elevator tab links.
C. Grease the aileron tab hinges.
A. 确保自锁螺母靠近弹簧。
B. 确保锁定螺母接触弹簧。
C. 确保弹簧顶紧锁螺母。
A. If liquid spills in the kitchen,all traces of the liquid must be cleaned promptly and the concerned area must be completely dry.
B. If liquids are spilled inside the galley,you must remove all signs of liquid and fully dry the areas of contamination immediately.
C. If liquid spills in the galley,all marks of the liquid must be removed at once and the polluted area must be completely dried.
