wall in trench 中文意思是什麼
wall in trench
解釋
壕溝墻-
The thirtieth year of xianfeng 1860 in the qing dynasty, in order to defense the inbreak of allied forces of england and france, a row of trench and wall was built outside the city, thus tianjin city walls was defenitized
浙江福建廣東等省。清道光年間1840年前後城內人口95351人。從明至清成為天津的政治經濟文化中心。 -
Application of gridding concrete retaining wall in trench engineering
格形地下墻結構在基坑工程中的應用
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