发布时间:2025-01-30 18:43:36
相比别的办法,重新拉线更可靠、安全、耐用。不然怎么办?有说加电容、有说加变压器,都不行的。最现实的是重新拉线,其次有个方案是加整流逆变器。
现需一个钢结构屋顶采用人字梁仓库宽5米长31米每隔5米设置一根柱子请问该如何下料
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