2399.Replace components that are worn more than the maximum limits.

A. 为了减少分配误差,推荐使用该方法,同时将系统和设备的功能特性告知所有者。

B. 为使辨别时产生的误差最小化,推荐使用该方法,同时对所有者说明系统和设备的使用方式。

C. 建议采用该方法,以最大程度地减少分配出错,同时使所有者获知系统和设备的可用性。

A. Deflate the pressure of tire to the certain value.

B. Provide pressure with nitrogen to the required value for the tire.

C. Depressurize the tire to the demanded value.

A. That portion of the system is used to perform the cranking portion of the starting operation.

B. That portion of the system is used to perform the igniting portion of the starting operation.

C. That portion of the system is used to perform the cranking portion of the igniting operation.

A. 在一块不需要承力的金属上,可以在某一点处切割一个直径为几英寸的孔,孔的周围用法兰连接,使其具有刚度。

B. 在一块金属上,可以在不需要承力的某一点处切割一个直径为数英寸的孔,孔的边缘折边可以使其具有刚性。

C. 在一块不需要承力的金属上,可以在一处切割几个直径为数英寸的孔,孔的边缘用凸缘连接,使其产生刚性。

D. B.在一块金属上,可以在不需要承力的某一点处切割一个直径为数英寸的孔,孔的边缘折边可以使其具有刚性。

E. C.在一块不需要承力的金属上,可以在一处切割几个直径为数英寸的孔,孔的边缘用凸缘连接,使其产生刚性。

A. When the required maintenance procedure is not very long and fairly simple,the above combination can be grouped under a title which is called maintenance practice.

B. When the required maintenance procedure is not lengthy and is relatively simple,a combination of the above may be grouped under one heading and called maintenance practices.

C. When the required maintenance procedures are not very long and comparatively simple,the above combinations can be bound under one subject,calling maintenance practices.

A. Use a minimum of 20 words in each sentence.

B. Use a maximum of 20 words in each sentence.

C. Use more than 20 words in each sentence.

A. 对损伤及邻近区域进行检查。

B. 检查损伤及隔离区域。

C. 对与损伤相连接的区域进行检查。

A. 来自压气机的空气与来自燃油喷嘴的燃油在燃烧室混合。

B. 从压气机出来的空气和燃油在燃烧室混合。

C. 从压气机出来的空气和从燃油喷嘴出来的燃油在燃烧室燃烧。

A. Detach the connection of the valve in the direction opposite to the flow.

B. Detach the connection of the upstream valve.

C. Detach the connection of the valve in the direction identical to the flow.

A. 内部喇叭打到开位并且保持在开位,当探测器有动力的时间够长,并且烟雾传感器探测到烟雾。

B. 只有探测器有电,并且烟雾传感器探测到烟雾,内部开关才会打开到开位并且保持在开位。

C. 只要探测器有电源并且烟雾传感器探测到烟雾,内部的喇叭就会打开并且保持在开位。