Mid-Hard Roof 中硬顶板
thick-hard roof 厚硬顶板
false-hard roof 伪硬顶
thick and hard roof 厚硬顶板
hard pressing roof 稳固顶板
This study has a successful application to working face 15102 of Qiling mine in Jincheng;and it can provide theoretical support and application guidance to control caving in hard roof under the corresponding conditions.
研究结果在晋城七岭煤矿15102工作面成功应用,可以为相应条件下坚硬顶板控制放顶提供理论依据与应用指导。
参考来源 - 坚硬顶板控制放顶方式及合理悬顶长度的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Hard-top convertibles have become increasingly popular because they offer the top-down fun of a convertible with the quietness and security of a hard roof when the top is up.
硬顶敞篷车开始越来越流行，因为他具备了敞篷车的乐趣和全顶车的安全。
It's hard to imagine how anyone could honestly live like that, how you could live on top of a building all Winter, burning fires on the roof.
难以想象，真的，谁愿意过那样的生活？你怎么能整个冬天都住在房顶上，在房顶上燃起火堆。
Steel and glass balconies provide seating areas below gothic-style wooden roof trusses, while a series of glass Bridges create links between previously hard-to-reach rooms.
在哥特式屋顶桁架下的钢和玻璃阳台提供座位区域，而一系列玻璃桥之间与以前难以到达的房间建立联系。
应用推荐