Excavators play a key role in trenching operations. They can be used not only to dig trenches for buried pipes, dig ditches and dig channels, but also to dig trenches efficiently by configuring buckets corresponding to the width of the trench and making the crawlers on both sides parallel to the edge of the trench to be dug. When digging a wide trench, it is usually necessary to dig the two sides first and then dig the middle part last.
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