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。
Copyright © 2022-2024 汉字大全www.hanzidaquan.com All Rights Reserved 浙ICP备20019715号