| Explain: |
1、Brick up brick-wall with m5 concrete and decorate surface with 1:2.5.
2、IT should deal with waterproof when the basement lower thangroundwater,but disposal of filter.
3、8#slotware basement should antisepsis after weld,and fix it with steel or concrete.
4、Earthing-set is built at the same as basement,earthing-resistance R ≤ 4 Ω
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