沥青路面冷铣刨机是一种高效率的路面修复作业机器。
The cold planer for asphalt pavement is a very efficiency machine for repairing pavement.
再考虑一些后勤作业，海底管道修复作业具有一定的挑战性并且成本颇高。
Offshore repairs can also be challenging and costly in terms of logistics.
这些工作完成后，再调用一组水泵将拱坝与堵塞间的水全部抽干，堤坝抢修工人们就可以进入现场进行堤坝的修复作业了。
That done, a second set of pumps evacuates the gap between the arch and the PLUG, allowing workers access to the site.
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