A、 Before drilling the hole, make sure that the point of the drill head is sharp.
B、 Prior to drilling the hole, make sure that the point of the drill bit is sharp.
C、 Before you make the hole, make sure that the point of the drill bit is sharp.
答案：C
A、 Before drilling the hole, make sure that the point of the drill head is sharp.
B、 Prior to drilling the hole, make sure that the point of the drill bit is sharp.
C、 Before you make the hole, make sure that the point of the drill bit is sharp.
答案：C
A. 主要设备的制造商应按本规范的标准提供维护、故障排除、检查和更换资料。
B. 主要部件的制造商应按本规范的格式提供维护、故障排除、检查和修理资料。
C. 主要部件的制造商应按本文件的格式提供勤务、故障排除、检查和修理资料。
A. 数据库的加载正在进行中。
B. 数据库的同步正在进行中。
C. 数据库的更新正在进行中。
A. The pilot must manually start this deflation cycle;
B. The pilot must automatically start this deflation cycle;
C. The pilot must manually start this inflation cycle;
A. The airborne power plants generate and supply a or some power of auxiliary electric, hydraulic, pneumatic or other power.
B. The airborne power plants supply and distrubt a single type or combination of auxiliary electric, hydraulic, pneumatic or other power.
C. the auxiliary electric, hydraulic, pneumatic or other power is generated and supplid by a or several APU
A. 如果初始化设置正确,控制显示单元上将显示正在进行的自动测试。在维护或运行使用后,这些发生在油箱几乎为空时低压指示灯亮起后,泵已运行数分钟的情况。
B. 如果构型设置正确,控制显示单元上将显示已做的自动测试。泵在维护或者运行使用数分钟后,低压指示灯会亮起,并且油箱已经差不多空了。
C. 如果初始化设置正确,控制显示单元上将显示已做的自动测试。这些情况发生在维护或运行使用后,低压指示灯会亮起数分钟,并且油箱已经差不多空了。
A. The SMYD 1 will limit rudder movement when flaps are up if trailing edge flaps receive data; from up limit switch of SMYD 1 during yaw damping.
B. The SMYD 1 will limit rudder movement after receiving date from up limit switch of trailing edge flaps during yaw damping when flaps are up.
C. The SMYD 1 will limit yaw camping to reduce rudder movement when flaps are up if trailing edge flaps receive data from up limit switch of SMYD 1.
A. This information should be able to help identify the airplane that may exceeds and icing conditions of the certificated capabilities of the airplanes provided.
B. This information shall be presented along with information to aid recognition of icing conditions which may exceed the certificated capabilities of the aircraft and its ice protection system.
C. This information should be provided with information that can help recognize icing conditions that are more than the airplane and certificated capabilities of its ice protection systems.
A. If the pressure increases too much because of a downstream blockage, the relief valve opens.
B. If the pressure decreases too much because of a downstream broken, the relief valve opens.
C. If the pressure increases too much because of a upstream leak, the relief valve opens.
A. It is necessary to add fluid to the hydraulic reservoir
B. Drain fluid to the hydraulic reservoir as necessary.
C. Add fluid to the hydraulic reservoir as necessary
A. Put the end of the rod that has a screw pattern in the fitting.
B. Put the end of the rod that has a thread in the fitting.
C. Put the end of the rod that has a screw driver in the fitting.
