短语词组短語box x caisson 箱形沉箱box caisson foundation 沉箱基礎;深基礎沉箱基礎box caisson dock [船]沉箱浮隖timber box caisson 木沉箱box caisson foundine 沉箱基礎sliding box -shaped caisson 滑動式箱形沉箱Caisson box 箱式沉箱caisson and box culvert 沉箱 返回 box caisson