搜索筛选:
搜索耗时0.0768秒,为你在为你在102,285,761篇论文里面共找到 1 篇相符的论文内容
发布年度:
[期刊论文] 作者:LU Zhong-liang,LI Hai-xia,GUO Pei-hong,JING Guo-xun,
来源:煤炭学报(英文版) 年份:2009
Respiration particles can be collected into a dust catcher by an inside inhaling and outside pressing particle collector.The work environment of the grab operator in tun-neling mining was improved when a dust catcher is placed before the wo......
相关搜索: