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。
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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