A、 Prior to and aft use the tool / equipment,the user shall make a visual check or operational test to confirm the utility.
B、 Before or after using the tool / equipment,the user shall make a visual check or functional test to confirm the serviceability.
C、 Before or aft of using the tool / equipment,the user shall make a spot check or functional test to inform the usability.
答案：B
A、 Prior to and aft use the tool / equipment,the user shall make a visual check or operational test to confirm the utility.
B、 Before or after using the tool / equipment,the user shall make a visual check or functional test to confirm the serviceability.
C、 Before or aft of using the tool / equipment,the user shall make a spot check or functional test to inform the usability.
答案：B
A. 如果读者必须了解某个额外要求才能执行工作程序和步骤,先给出这个要求。
B. 如果读者在执行某个工序或工作步骤之前必须了解某个具体情况,则首先说明这个具体情况。
C. 读者在执行程序或工作步骤之前是否必须知道哪些特定条件,需要先明示。
D. C.读者在执行程序或工作步骤之前是否必须知道哪些特定条件,需要先明示。
A. Lubricate one side of the washers.
B. Lubricate one side of the seals.
C. Wash one side of the washers.
A. The drain float valves in the vent tubes and the vent channels dilute the fuel in the vent system to drain out of the tank when the fuel face is lower than the valve.
B. The drain float valves in the vent tubes and the vent channels permit fuel in the vent system to drain into the tank when the fuel level is lower than the valve.
C. The drain float valves in the vent tubes and from the vent channels allow the fuel in the vent system to drain into the tank when the fuel quantity is lower than the valve.
A. 去除腐蚀以及表 6001 中提及的化学污染。
B. 用表 6001 中规定的化学剂去除腐蚀。
C. 清除表 6001 中提及的化学脱胶情况。
A. 燃油系统指发动机以外储存燃油、给发动机配送及输回燃油的装置和部件。
B. 滑油系统指那些储存滑油,并把滑油送往发动机以及从发动机回油的相关外部组件和部件。
C. 滑油系统指发动机内储存润滑油和运输润滑油的装置和部件。
A. 反推可以提供刹车力使尾喷气流偏转至相反方向。
B. 反推通过使排气气流转向相反的方向来产生制动力。
C. 尾气气流偏离至反方向从而使反推提供刹车。
A. The rules containing in this specification shall provide a guide to the formatting,type and method of all present documents in the manufacturer's maintenance manual.
B. The rules in this specification are served as a guide for the format,style and way of representation for all materials contained in manufacturer's maintenance manual.
C. The rules contained in this specification shall serve as guides for format,style and method of presentation for all material included in maintenance manuals prepared by manufacturers.
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. 火灾是因为过热或者有火焰的液体泄漏,并且可能飞机不安全了。
B. 火灾可由过热或易燃液体泄漏引起,并且可能飞机就危险了。
C. 火灾可由过热或易燃流体泄漏引起,并可能危及飞机安全。
A. 确保两个活塞伸出长度相等。
B. 确保两个作动筒同时伸出。
C. 确保同时放出两个活塞。
