ABIDInspection PointVisual CriteriaObrvation NotesFixed Ladders:南瓜馒头的做法01Is the fixed ladder curely fastened or attached to the wall or mounting surface at the top and the bottom?固定的梯子的底部和顶部是否牢固的固
ABIDInspection PointVisual CriteriaObrvation NotesFixed Ladders:01Is the fixed ladder curely fastened or attached to the wall or mounting surface at the top and the bottom?固定的梯子的底部和顶部是否牢固的固定在墙上或安装
An Analytical Rearch on Abnormal Noi of Escalator Step Overturn and Its Improvement 作者: 付春平[1]作者机构: [1]苏州市职业大学机电工程学院,江苏苏州215104骆驼的故事出版物刊名: 苏州市职业大学学报传染疾病页码: 29-32页国学课服装创业计划书轻沙年卷期: 2021年 第3期三文鱼英语主题词