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1.The engineer used a depth gauge to measure the depth of the hole.
工程师使用深度规测量孔的深度。
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2. The surveyor used a depth gauge to ensure the accuracy of the measurements.
测量员使用深度规确保测量的准确性。
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3. The construction crew used a depth gauge to check the integrity of the foundation before starting work.
施工队使用深度规检查地基的完整性,以确保工作开始前一切正常。