基本解释軟基同根派生 英汉例句Collapse and remedy of softsoil sidelope near cut after reinforcing by powder jet piles 粉噴樁加固後的軟土路塹邊坡坍塌與処理softsoil road bed 軟土路基softsoil settlement 地基沉降deep thick softsoil 深厚層軟土Softsoil foundation 軟土地基