Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
英
美
释义
针对金属前探支护在架棚及锚网支护巷道中的安全作用进行了全面分析,提出了改进方案和存在问题,确保了金属前探支护的安全作用。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2025 海词词典(Dict.cn)
立即下载