A、 Propeller governor is a device that adjusts the speed of the engine or propeller by increasing or decreasing the clearance of the propeller through the clearance changing mechanism on the propeller hub.
B、 Propeller governor is the device that regulates the rpm of the engine or propeller by increasing or decreasing the propeller pitch, through a pitch change mechanism in the propeller hub.
C、 Propeller governor is through the propeller hub of the propeller pitch changing machine, adjusts the speed of the propeller or engine by increasing or decreasing the propeller gap.
答案：B
A、 Propeller governor is a device that adjusts the speed of the engine or propeller by increasing or decreasing the clearance of the propeller through the clearance changing mechanism on the propeller hub.
B、 Propeller governor is the device that regulates the rpm of the engine or propeller by increasing or decreasing the propeller pitch, through a pitch change mechanism in the propeller hub.
C、 Propeller governor is through the propeller hub of the propeller pitch changing machine, adjusts the speed of the propeller or engine by increasing or decreasing the propeller gap.
答案：B
A. The cover title shall be "Pilot＇s Operating Handbook" or "Polit＇s Operating Handbook and FAA Approved Airplane Flight Manual."
B. The name of the book might be "Pilot＇s Operating Handbook" or "FAA Approved Airplane Flight Manual."
C. The cover could be named as "Pilot＇s Operation Instruction" or "Pilot＇s Operation Instruction and FAA Approved Airplane Flight Instruction."
A. 使用容器混合材料。
B. 使用棍子搅拌材料。
C. 使用铲子混合材料。
A. Clean window using much quantities of soap and water.
B. Clean window using liberal quantities of soap and water.
C. Clean window with large quantities of soap and water.
A. Humidity adjustment is manual.
B. Pressure adjustment is automatic.
C. Temperature adjustment is automatic.
A. 这是一个很好的喷漆方案。
B. 这是一个很好的除漆程序。
C. 这是一个很好的调色计划。
A. 检修时更换的螺母和垫圈不要丢弃，应该进行检查。
B. 如果在检查过程中拆卸了螺母和垫圈，则应更换。不要重复使用。
C. 对拆下的螺母和垫圈要进行检查，损坏的件不可以重复使用。
A. Check the seal for detects.
B. Examine the seal for defects.
C. Examine the suffer for defects.
A. The anti-leakage valve prevents oil leakage when you disconnect the oil tube from the anti-leakage valve to the lubrication unit.
B. When you reconnect the oil tube from the anti-leakage valve to the lubrication unit, the anti-leakage valve stops oil leakage.
C. When you discharge the oil tube from the anti-leakage valve to the lubrication unit, the anti-leakage valve protects oil leakage.
A. Do a thorough check of the hydraulic system.
B. Do a check of the hydraulic system carefully.
C. Do a check of the hydraulic system again.
A. Adjust the frequency to the value giving in table 1.
B. Adjust the frequency per the value given in table 1.
C. Adjust the frequency to the value given in table 1.
