在正文的其余部分，使用了相关的经批准的缩写。

In the remaining parts of the text, the related approved abbreviations are used.

In the attached parts of the text, the related disapproved abbreviations are used.

In the remaining parts of the text, the related approved abstracts are used.

正确答案：A

The warning bell and the horn must start and then stop again.

If the wheel temperature increases to more than 177 deg., the core of the fusible plug melts and the tire deflates.

The condition of the radome is very important for its performance.

Obey the safety precautions when you do work with high voltages.

Do the troubleshooting procedure to find the cause of the malfunction.

Adjust the clinometer until the bubble is in the center.

If the shear pin breaks, do an inspection of the towbar.

These parts can easily bend, break or become incorrectly aligned.

Replace components that are worn more than the maximum limits.

If you cannot hear the alarm, adjust the volume control.