The results indicated the operating performance of the column was stable, and it could be used in scientific research, separating and purifying small batch material.

结果表明该塔操作性能稳定，可作为科研和分离提纯小批料使用。

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High proficiency and automation is its special advantage, double head and single head is option. This model is the best choice for the roll batch material processing.

该机可以选配单激光头和双激光头，高效、自动化成为其最大亮点，是卷料大批量材料加工的最佳选择。

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To solve the problem of the variety of the main rod's size after welding to adjustable tower crane standard section, because of the difference of the material batch, a novel approach is proposed.

针对塔式起重机标准节主弦杆因材料批次不同焊接后尺寸不同的问题，提出对塔式起重机标准节主弦杆焊胎的改进方法。

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