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- It is preferentially adopted the grouting reinforcement technique to pre-support unstable strata where bulk caving will occur. 介绍了巷道支护技术的演变过程,从中衍生出新型的注浆加固技术。
- Based on the references , the mechanical models are created to study the pre support mechanism of forepoling bolt structure. 在文献[1]、[2]、[3]基础上建立了超前锚杆预支护机理的力学模型。
- Keywords forepoling bolt;pre support;mechanical model;arching mechanism; 超前锚杆;预支护;力学模型;成拱机制;
- The scribe worked hard to support his family. 那个抄写员辛勤工作来养家。
- pre-supporting unstable strata 预支护不稳固矿岩
- I have a wife and two children to support. 我有妻子和两个小孩要扶养。
- He had to work hard to support his family. 他不得不努力工作来养家。
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- We all support his scientific research. 我们都支持他的科学研究。
- We are deeply grateful for your support. 我们深深感谢你的支持。
- The theatre has had to close for lack of support. 这家剧院光顾者寡只好关闭。
- Their efforts are worthy of your support. 他们这样努力应得到你的支持。
- They did not waver in their support for him. 他们毫不动摇地支持他。
- Cook the pie for 20 minutes in a pre heated oven. 在经过预热的烤箱里烘烤馅饼20分钟.
- The demagogue has won people's support. 那个煽动者赢得了人们的支持。
- All his support melt away when he really needed it. 在他真正需要支持时，却得不到一丝半点。
- The President had lost the support of the congress. 总统已经失去了国会的支持。
- The pre - christmas period be always very busy . 圣诞节前这一段时间总是很繁忙的。
- Just pre the switch on your arm rest. 您按一下扶手上的那个开关就行了。
- They all support socialist policies. 他们都拥护社会主义的政策。
