A、 A maximum distance of 50 feet is required between consumable materials and the work area.
B、 Keep flammable materials at a minimum distance of 50 feet from the work area.
C、 Explosive materials must be kept at least 50 feet away from the work area.
答案：B
A、 A maximum distance of 50 feet is required between consumable materials and the work area.
B、 Keep flammable materials at a minimum distance of 50 feet from the work area.
C、 Explosive materials must be kept at least 50 feet away from the work area.
答案：B
A. 系统的这个部分用来显示数量、温度和液压油的压力,包括的项目有传输机、指示器和告警系统等。
B. 用来显示液压油的质量,温度和压力的系统部分,包括转换器、指示器和告警系统等元件。
C. 系统中用来指示液压油的油量、温度和压力的部分,包括传感器、指示器和告警系统等组件。
D. C.系统中用来指示液压油的油量、温度和压力的部分,包括传感器、指示器和告警系统等组件。
A. 将螺纹杆放入接头中
B. 将杆的一端缠上线放入接头中
C. 将杆的螺纹端放入接头中
A. Remove the test cap between the Precooler Control Valve and the 3908 sensor on the control pressure sense line and ensure that there is air flowing out of the port.
B. From precooler control valve to 3908 sensor,remove the sense line test cap,make certain thatthe air flows from the test hub.
C. The purpose of the test cap removal from the Precooler Control Valve to the 3908 sensor is to guarantee that there is airflow at the test port.
D. C.The purpose of the test cap removal from the Precooler Control Valve to the 3908 sensor is to guarantee that there is airflow at the test port.
A. 不能使用缩写,除非有意义。
B. 不能使用缩写直到它们有通用意义。
C. 除非缩写具有普遍意义,否则不得使用缩写。
A. 这个过滤器能除去空气供应中的所有污染物。
B. 使用这个过滤器可以有效减少空气供应中的污染程度。
C. 这个过滤器能够净化供应的空气,完全消灭颗粒物。
A. 应描述系统中每个组件的功能、操作以及位置。
B. 系统中每个组件的目的、操作应和位置一样被描述。
C. 系统中每个组件的功能和构成应被描述得和位置一样好。
A. 保证手柄和滚柱之间是干净的。
B. 确保杆和滚柱之间有连接。
C. 确保杆和滚轮之间有间隙。
A. Oxidation occurs very easily.
B. Oxygen occurs very easily.
C. Nitrogen occurs very easily.
A. Filling with oxygen is not permitted during defueling and refueling.
B. Servicing with oxygen is not allowed during refueling and defueling.
C. Servicing with oxygen is not prohibited during fueling and defueling.
A. This tool is mandatory.
B. This tool is optional.
C. This tool is necessary.
