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- We require 0.6 * 0.6 mm square tin coated HCP wire for energy saving lamp. 如果您是本网注册会员,请登录后查看联系方式。
- When constructing on super section lane, combining roof bolt, anchor cable, anchor cable series, is scientific and reasonable, can achieve good effect. 超大断面巷道施工,采用锚杆、锚索、锚索组联合支护,科学合理,实现了安全高效的良好效果。
- This paper described the practice of using combined beam theory and suspensory theory,such as roof bolt,net,steel rope,and shotcrete being used together to strenthen roof control. 应用组合梁和悬吊理论,对松软岩层采用支护新技术,即锚、网、带、索、喷等联合支护方式,加强对松软岩层巷道顶板的控制,降低了材料支护费用,提高了软岩巷道支护的可靠性,同时也提高了松软岩巷的掘进速度。
- Lustrousness:tin coating is glossy and not easy to change color. 具有光泽:纯锡镀层有光泽不易变色。
- Linghu Gold Mine has successfully used "retreating room-and-pillar method along the dip with roof bolt" in its trouble orebodies and achieved notable social and economic benefits. 灵湖金矿采用“沿倾斜后退式回采锚杆护顶房柱法”方案,解决了难采矿体的开采问题,取得了显著的经济效益和社会效益。
- This can lead to the formation of tin whiskers erupting out of the tin coating. 这将导致形成刺出锡涂层的锡晶须。
- Bright tin coating is obtained, and the bath is stable and reliable. 镀液稳定可靠 ,采用本工艺可得到光亮的锡镀层
- galvanized mild steel roofing bolt and nut 镀锌瓦楞螺栓螺帽
- Hailstones rattled on the tin roof. 冰雹落在铁皮屋顶上发出砰砰声。
- Study on Heat Resistance of TiN Coated HSS Tools TiN涂层高速钢刀具耐热性的研究
- Inclined combined beam model with roof bolted are presented and solved,the expressions of support parameters of bolt are derived. 建立大倾角煤层回采巷道锚杆支护的倾斜组合梁模型,并进行解算,给出锚杆支护参数的表达式。
- A new process of electroless tin plating was studied, and half-bright and silvery-white tin coating is obtained. 摘要通过反复试验,研究了一种新型的化学镀锡工艺,获得了半光亮银白色的镀锡层。
- Compound Coal into Roof bolt Shoring Technique 复合煤层掘进锚杆支护技术
- XRD, SEM, TEM and HRTEM were applied to analyze the phase composition and microstructure, as well as crystal defects in the RPS TiN coating. 利用XRD、SEM、TEM及HRTEM等分析手段研究分析了涂层的结构、微观组织,以及涂层内的晶体缺陷。
- The higher the load and the harder the abrasive, the more outstanding the TiN coating is. 增大载荷和提高磨料的硬度,更能显示TiN镀层的优越性。
- I got a new coat in that store last week. 上礼拜我在那家店买了一件新外套。
- Application of roof bolt test rig 锚杆钻机实验台的应用
- Effect of cerium on solderability of tin coating on electronic component lead was studied. 探讨了稀土元素铈对电子元器件引线镀锡层可焊性的影响。
- She and I can't live under the same roof. 她和我不能住在一起。
- Test and research on fiberglass roof bolt 玻璃钢锚杆的试验研究