A、 Use protective goggles when you do work on fire extinguishers.
B、 Ensure that you wear protective clothes while performing tasks on fire extinguishers.
C、 Use protective gloves when working on fire extinguishers
答案：A
A、 Use protective goggles when you do work on fire extinguishers.
B、 Ensure that you wear protective clothes while performing tasks on fire extinguishers.
C、 Use protective gloves when working on fire extinguishers
答案：A
A. 把飞机推回到原来的位置。
B. 将飞机恢复到通常状态
C. 把飞机向后推到原来的位置。
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.
A. Remove the sleeve to tighten the sliding tube.
B. Remove the sleeve to install the sliding tube.
C. Remove the sleeve to free the sliding tube.
A. 此说明帮助您找到相关的适用STE规则和不同特定主题。
B. 此索引帮助您找到与不同特定主题相关的适用STE规则。
C. 此指数可以帮助您找到不同于特定主题相关的适用STE规则。
A. One or more separate documents for some types of equipment such as avionics and instrumentation may be required because they change frequently or they have various combinations.
B. Some types of equipment such as avionics and instrumentation are changed regularly or combined in different forms, requiring to have one or more separate documents.
C. Some types of equipment such as avionics and instrumentation are often revised or combined differently to require one or more separate documents.
A. Obey the safety precautions when you do work with high voltages.
B. When working with high resistances, you should follow the safety precautions.
C. The safety precautions are optional in an environment with high voltages.
A. After a continued airworthiness process,almost every component composed of an airplane is involved in some form of preservation,inspection,preventative maintenance, overhaul,repair, and/or replacement activity.
B. Through a continuing airworthiness process, virtually every component comprising an airplane is involved in some form of preservation,inspection,preventative maintenance,overhaul, repair, and/or replacement activity.
C. Through a continuing airworthiness process, substantially every component of an airplane is excluded in some type of preservation,inspection,preventative maintenance, overhaul,repair, and/or replacement activity.
A. 在接近跑道的过程中，航向指示器中的偏离指示器指示飞行员飞机必须飞行的方向。
B. 在接近跑道的过程中，航向指示器中的方向指示器指示飞行员飞机必须飞行的方向。
C. 在进近着落的过程中，航向指示器中的方向指示器指示飞行员飞机必须飞行的方向。
A. Clean the surface to make sure that the sealing is satisfactory.
B. Clean surfaces to ensure the bonding as required.
C. Clean the surface to make sure that the bond is satisfactory.
A. The temperature decreases - 0.00198°C per foot from sea level to the altitude at which the temperature is -56.5°C and zero above that altitude.
B. The temperature gradient from sea level to the altitude at which the temperature is -56.5°C is - 0.00198°C per foot and zero above that altitude.
C. The temperature drops 0.00198°C per foot from sea level to the altitude at which the temperature is -56.5°C and to zero above that altitude.
