... 阶梯形地基：stepped foundation 阶梯形底脚：stepped footing 阶梯式电梯：escalator ...
基于202个网页-相关网页
... 阶梯式电梯：escalator 阶梯步级：flight 阶式基础：stepped footing ...
基于188个网页-相关网页
... 阶梯形落差：stepped drop 阶梯形基脚：stepped footing 阶梯形地基：stepped foundation ...
基于76个网页-相关网页
... stepped drawing frame 分段拉伸机 stepped footing 阶形基础 stepped gear 塔齿轮 ...
基于46个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress