Enter a value to set the operating clearance area around the shape.
输入一个值，设置该形状周围的操作净空面积。
Drill press. Dimensions and operating clearance area can be specified.
钻床。可以指定尺寸和操作净空面积。
Please clearly indicate the final clearance area and backfilling area for the foundation.
请明确基础的最终清理范围及回填范围。
Please clearly indicate the final clearance area and backfilling area for the foundation.
请明确基础的最终清理范围及回填范围。
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