... prop density 支柱密度 prop drawer 回柱机 prop failure 支柱破坏 ...
基于66个网页-相关网页
The paper introduces a self_taut by hanging tool which is appropriate for oblique pull characteristic of prop drawer, structure characteristic and using effect are expounded.
介绍一种适合回柱器斜拉特点的自紧挂具，阐述其结构特点及使用效果。
youdao
应用推荐
模块上移
模块下移
不移动