A、 Test the leakage of the file assembly once more.
B、 Do a leak inspection of the exchanger assembly again.
C、 Do a leakage check of the filter assembly again.
答案：C
A、 Test the leakage of the file assembly once more.
B、 Do a leak inspection of the exchanger assembly again.
C、 Do a leakage check of the filter assembly again.
答案：C
A. 用专用尺子确定凹坑的长度。
B. 用直尺和塞尺测量凹坑的深度。
C. 用角尺和直尺测量裂纹的深度。
A. If abbreviations have special meanings,they may be used.
B. Abbreviations should not be used if they are universally meaningful.
C. Only use abbreviations whose meanings are generally recognized.
A. 齿轮箱是一个包含齿轮系和轴的箱体。
B. 齿轮箱包含了齿轮火车和曲轴。
C. 有一类齿轮箱包含了齿轮组和轴。
A. The units used by pilots are the most valuable.
B. The units used are those which are the most expensive for pilots.
C. The units are the most useful for the pilots.
A. Handbooks shall be revised easily.
B. Handbooks should not be revised easily.
C. Handbooks should be developed easily.
A. Do not lift the aircraft on jacks if the wind speed is more than 20 MPH.
B. Do not hoist the aircraft on chocks if the wind speed is more than 20 MPH.
C. Do not raise the aircraft on jacks if the win
D. speed
A. Fuel leaks can decrease engine performance.
B. Oil leaks can increase engine performance.
C. Fluid leaks can decrease engine efficiency.
A. If the Halon extinguisher has its lever lock pin lost,you must scale the extinguisher to make sure if it is full.
B. If the hand lock pin on the Halon fire flask is not there,you must weight the extinguisher to see if it is full.
C. If the handle lock pin on the Halon extinguisher is not there,you must weigh the extinguisher to find if it is full.
A. 可以通过拆下保护盖来接近机械装置。
B. 重新安装保护盖来接近机械装置。
C. 拆下保护盖来获得机器。
A. Before you use dangerous materials,obey these precautions:
B. Before you use dangerous materials,omit these precautions:
C. Before you use dangerous materials,disobey these precautions:
