Meanwhile, it ensures the basement foundation slab and the external wall free of leaking, satisfying waterproof requirement.

同时确保地下室底板和外墙无渗漏，满足了防水要求。

youdao

Meanwhile, it ensures the basement foundation slab and the external wall free of leaking, satisfying waterproof requirement.

同时确保地下室底板和外墙无渗漏，满足了防水要求。

youdao