Mainly used in roadway construction, excavation rock and soil volume, opencast working, blom up holes of explosion & pre-intensity, for water conservancy projects.
主要用于道路建设、土石方开挖及露天开采，水利工程爆破孔、预烈孔的凿岩工序，是理想的高效穿凿设备。
How to select road section shape, bolting parameter and roadway construction method in large section cut in thick coal seam according to production reality and bolting theory are introduced.
根据生产实践及锚杆支护理论，论述了在厚煤层大断面切眼中，如何进行巷道断面形状、锚杆支护参数的选择及其巷道的施工方法。
In the rock roadway construction, the chemical corrosion water-bearing surrounding rock roadway, large area from spilled water or the ineffective partial pouring water part, adapt to stone support.
在岩巷施工中对有化学腐蚀性的含水围岩段，大面积淋水或局部涌水处理无效地段，适于采用石材支护。
To ease roadway congestion, a new byway is under construction, and plans are in place to clean up the sewage-tainted waters farther offshore.
为了缓解交通拥挤，一条新的辅道在正在修建，还计划对离海岸稍远处，被生活污水弄脏的海水进行净化。
Combining work practice, the paper focuses on the coal mine's adopting of anchor hollow bar supporting roadway mechanism, construction process and its technique parameters.
结合工作实际，重点介绍了煤矿采用端锚式注浆锚杆支护巷道机理、施工工艺及其技术参数。
This paper analyzes the problems appearing in the bolt support construction of coal roadway, and advances some solving measures.
分析了煤巷锚杆支护施工中出现的问题，提出了相应的解决措施。
When advancing and uncovering coal in roadway, better construction method is vibration shot, metal framework, borehole bleed-off and hydraulic hole, of which vibration shot is principal.
井巷掘进揭煤时，较好的施工方法是震动放炮，金属骨架，钻孔排放和水力冲孔，尤以震动放炮为主。
The paper introduced the excavation features, blasting method and parameters, construction technology and organization of the shallow borehole smooth blasting technology in clay and rock roadway.
介绍了浅孔光爆技术在黏土岩中的掘进特点、爆破方法及参数、施工工艺及组织。
The paper also points out that roadside landscaping with trees should be encouraged in road construction while maintaining roadway safety.
同时，指出北京市道路建设不重视植树问题，强调应该在保证交通安全的前提下增加高大乔木的种植力度。
The advantages of this method are inexpensive, simple for construction and able to get good benefits to retain roadway for next sub-level.
该法施工工艺简单，成本低廉，可使沿空留巷达到较好的技术经济效果。
Shield machine is a large mechanical device that is widely used in the construction of tunnel engineering such as subway, railway, roadway, city infrastructure, and water and electricity utility.
盾构掘进机是一种广泛应用于地铁、铁路、公路、市政、水电等隧道工程施工的大型机械设备。
Shield machine is a large mechanical device that is widely used in the construction of tunnel engineering such as subway, railway, roadway, city infrastructure, and water and electricity utility.
盾构掘进机是一种广泛应用于地铁、铁路、公路、市政、水电等隧道工程施工的大型机械设备。
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