- 1. 边墙二次衬砌: Secondary lining of side walls
dict.youdao.com - 2. 边墙二次衬砌: Frontier wall two lining works
dict.youdao.com - 3. 边墙二次衬砌: Wall secondary lining
dict.youdao.com - 4. 二次衬砌仰拱: Secondary lining of inverted arch
dict.youdao.com - 5. 反拱二次衬砌: Secondary lining of inverted arch
dict.youdao.com - 6. 二次衬砌混凝土: secondary lining concrete
dict.youdao.com
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