pit-retaining structure

• 基坑支护结构

pit-retaining structure的用法和样例：

例句

1. The interaction between the earth berm and the retaining structure is analyzed.
   分析了反压土与支护结构相互作用的机制。
2. The test results showed that the scheme and parameters used are valid and thesupport structure is safe in stoping.
   实践证明，所确定的支护方案及参数是有效的，进路回采中支护结构安全可靠。