roop
- 网络鲁普

-
Forward support bolt combined with roop rock by bolting can play a roll of combined beam , which can prevent roof rock caving immediately after explosion .
超前支护锚杆锚固后与顶板岩石构成一体,这样使超前锚杆形成组合梁作用,放炮后,能够阻止顶板岩石冒落。
-
It 's called the Plumen 001 and it 's the creation of Hulger , a small London start-up co-founded by Nicolas Roop .
它就是Plumen001,由伦敦Hulger公司出品,由NicolasRoop和他的合作伙伴共同发明。