挖沟时支撑用的千斤顶 trench jack
预先挖好的管沟 pre-dredged trench
挖有沟槽的 trenched
现身说法挖掘的鸿沟 Sam Pollard
预挖的管沟 pre-excavated pipeline trench
一个挖沟的工人加班一小时可以拿到更多钱，计件工完成的件数越多，赚得越多。
A ditch digger can work an hour of overtime for extra pay, and a piece worker earns more the more he or she produces.
如果在挖沟时有所折衷，则只能得到一条宽度不均匀或者深度不同的沟。
If you make compromises when you dig a ditch, you just get uneven width or unequal depth.
周日，下诺夫哥罗德，农民正在烈日下挖沟，阻挡来自附近森林和泥炭沼的山火，蔓延到自己的耕地。
Under a blazing sun, farmers were digging trenches in Nizhny Novgorod on Sunday to stop wildfires in nearby forests and peat bogs from advancing on their land.
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