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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39559.4-2020 |
Specifications for operational monitoring of urban rail transit facilities—Part 4: Track and earthworks 城市轨道交通设施运营监测技术规范 第4部分：轨道和路基 |
China National Standards earthworks |
 English PDF |
| GB/T 50123-1999 |
Standard for test merhods of earthworks 土工试验方法标准 |
China National Standards earthworks |
English PDF |
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