稻田土壤系统熵
paddy soil system entropy
贴坡新老混凝土结合
Jointing Old and New Concrete
铁道部第二勘测设计院岩土工程公司
The No. 2 Survey and Design Institute
Ministry of Railway
铁道部第一勘测设计院岩土工程公司
Company of Gcotecknological Engineering
1st Surveying and Design Insitute
Ministry of Railways