A、 If you cannot remove a nut because of corrosion,apply penetrating oil.
B、 If you cannot disassembly a bolt because of corrosion,use penetrating oil.
C、 If you cannot remove a bolt because of corrosion,apply penetrating oil.
答案：C
A、 If you cannot remove a nut because of corrosion,apply penetrating oil.
B、 If you cannot disassembly a bolt because of corrosion,use penetrating oil.
C、 If you cannot remove a bolt because of corrosion,apply penetrating oil.
答案：C
A. 使用半自动系统打开舱门。
B. 使用自动系统打开货舱。
C. 用自动系统来打开舱门。
A. You can use electric motors to drive fuel and hydraulic pumps or to drive a valve to the commanded position in the fuel,hydraulic or air conditioning system or to move doors and cargo containers
B. Electric motors can drive fuel and hydraulic pumps or drive a valve to the commanded position in the fuel,hydraulic or^air conditioning system or move mechanical parts like doors and cargo containers to produce mechanical power
C. Electric motors produce mechanical power and their main functions are to drive fuel and hydraulic pumps,to drive a valve to the commanded position and to move mechanical parts like doors and cargo containers.
A. It is standard to do the procedure in this service bulletin.
B. It is necessary to do the procedure in this service bulletin.
C. It is mandatory to do the procedure in this service bulletin.
A. 在产品简洁性允许的情况下制造商还可以选择对相关系统进行分组。
B. 在产品简洁性允许的情况下制造商还可以选择同一组别的相关系统。
C. 在产品相似性允许的情况下制造商还可以选择对相邻系统进行分组。
A. This work is applicable to horizontal installations.
B. This work is applicable to direction installations..
C. This work is applicable to vertical installations.
A. When total revisions including left pages,above 60%of the total pages in the manual,a reassure of the manual should not be prepared.
B. When accumulated revisions including back-up pages,less than 60%of the total pages in the manual,a reissue of the manual should not be prepared.
C. When accumulated revisions including left pages,less than 60%of the total pages in the manua a revise of the manual should not be prepared.
A. All flow control devices within the system,such as check valves,fuel pumps,accumulators,and relays should be included.
B. All flue control devices within the system,such as single valves,fuel pumps,storage,and relays should be contained.
C. All fluid control devices within the system,such as single valves,fuel pumps,accumulators,and relays should be involved.
A. 防腐可能有很多原因:’
B. 腐蚀可能有很多原因。
C. 腐蚀可能有
A. Let the temperature increase until it is the same as the ambient temperature.
B. Wait for a few minutes until the temperature of the component exceeds the ambient temperature.
C. Let the component cool down until its temperature is the same as the ambient temperature.
A. Deflate the system before you disconnect the components.
B. Bleed the system before you disconnect the components.
C. Bleed the system before you interrupt the components.
