The characteristic of structure and performance of new type lowvoltage draw-out switch-board is introduced.
介绍新型低压抽屉式开关柜的结构性能和特点，并与早期低压柜作了比较。
2
In sddition, compares them with early switch-board explains some improvements of the new type lowvoltage draw-out switch-board of out factory applied in metallurgical system.