4)双立柱杆塔横担与主柱连接处的高差及主柱弯曲;的翻译：4) double-column tower height difference of arm connected to the main column and the primary column bending; 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

4) double-column tower cross arm connected with the main column at the elevation and the main pillar bending;

4) double-column tower height difference of arm connected to the main column and the primary column bending;