Many companies have various urgent fire drills on machine security and maintenance issues.
许多公司对机器安全和维护问题有各种各样消防演习式的训练。
The two countries have held several joint drills in the area.
两个已经多次在该区域举行联合军演。
Have you had many drills in English?
在英语中你们有很多的练习吗？
We have regular fire drills so you'll soon become familiar with the procedure.
我们举行定期的消防演习，因此你很快就会熟悉这些步骤。
是否进行消防演习？
是否进行消防演习？
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