periodic roof pressure
·2,447,543篇论文数据，部分数据来源于NoteExpress
现场矿山压力观测表明，无论是工作面顶板正常工作期间还是周期来压期间，工作面设备均表现出了良好的稳定性。
The site mine pressure observation showed that during the face roof normal period or the roof periodical pressurized period, the face equipment all presented a good stability.
youdao
应用推荐
模块上移
模块下移
不移动