动词短语
中文翻译：为沉箱挖掘坑洞
同义词：
['dig pit for caisson', 'dig a pit for caisson例句：1. The engineers had to dig a pit for the caisson before it could be lowered into the water.（工程师们必须在沉箱下沉之前挖出一个坑。）2. The construction crew was instructed to dig a pit for the caisson to ensure proper placement.（施工队伍被指示挖一个坑以确定沉箱的正确位置。）']
例句：
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1. The engineers had to dig a pit for the caisson before it could be lowered into the water.
工程师们必须在沉箱下沉之前挖出一个坑。
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2. The construction crew was instructed to dig a pit for the caisson to ensure proper placement.
施工队伍被指示挖一个坑以确定沉箱的正确位置。
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3.The workers carefully dug a pit for the caisson, making sure not to damage the surrounding soil.
工人们小心地挖了一个坑给沉箱，确保不损坏周围的土壤。