久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

“擋土墻”的英語可以翻譯為：earth-retaining wall，retaining wall，protecting wall，breast wall ...

“擋土墻”的拼音為：...

通常采用朗金理論或庫侖理論計算作用在擋土墻上的土壓力.The earth pressure is calculated by using Rankin theory or Column theory.這個擋土墻的傾斜度不符合《施工規(guī)范》的要求.The gradient of the earth - retaining wall doesn't conform to construction regulations.可以做堤壩,...