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- Al-Mg-Mn alloy standing seam roof system 铝镁锰合金直立缝金属屋面
- standing seam roofing system 立边咬合接口屋面系统
- standing seam roofing 立接缝屋面
- Structural Standing Seam Steel Roof Panel Systems 结构级固定接缝屋面钢板系统
- The test results show that the drawing interval of 1.5 m is helpful for controlling dead-unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top-coal. 试验结果表明,放煤步距采用三采一放有利于控制顶板极松散细砂岩,降低放出顶煤的含砂率。
- In the process of Shanxi formation seam mining in Shaqu Colliery,the seam roof and floor sandrock aquifers constitute the direct discharge aquifers. 沙曲煤矿山西组煤层开采过程中,煤层顶底板砂岩含水层构成煤层开采时的直接充水含水层。
- Complex coal seam roof and floor conditions made stope support system low stiffness,poor stability and a very adverse the exploitation environment. 复杂的煤层顶底板条件使得采场支护系统刚度低、稳定性差,开采环境十分恶劣。
- Her good people on the spot to come up with sewing up the seam and I give her a standing seam, but on crack when she finished, the line of his mouth gnaw When her husband came in! 她人很好,当场就拿出针线缝了起来我也站著给她缝,可是就当她缝完,用嘴把线咬断时,她老公进来了!”
- From tectonic characteristics, the main seam roof is divided into super structure-development, structure-development, middle structure-development, and nondevelopment. 从构造特征分析,煤层顶板分成构造特别发育型、发育型、中等发育型和不发育型;
- Water channels include coal seam roof and floor mining induced fissures,faults,karstic subsided columns,Quaternary scuttles,fissure concentrated zones and badly sealed boreholes. 充水通道包括顶底板采动裂隙、断层、岩溶陷落柱、第四系天窗、裂隙密集带及封闭不良钻孔等,其中顶底板采动裂隙、断层、岩溶陷落柱为主要导水通道。
- On the basis of special seam roof core in Jiulong mine ventilated gateway of No.15207 working face, the parameters of bolting support were determined with testing. 针对九龙矿152下07工作面回风巷顶板岩芯结构特殊性,确定了锚杆支护参数并进行试验研究。
- Specification for Structural Standing Seam Steel Roof Panel Systems 竖直有缝钢屋顶板条结构的规范
- Taking a certain coal mine in North China for example in this paper,two different water quality types of mine inflows from coal seam roof and floor aquifers have been effectively identified by applying Adaline method. 本文以华北某矿井为例 ,采用具有线性功能函数的神经元 (AdaptiveLinearElement)方法对来自煤层顶、底板含水层的两种不同水质类型矿井水进行了有效的识别。
- Standard Specification for Structural Standing Seam Aluminum Roof Panel Systems 结构固定接缝铝屋顶镶板系统的标准规范
- Are you willing to stand surety for your brother? 你愿意当你弟弟的保证人吗?
- mining at seam roof and seam floor 顶板层底板层同采
- How much do they stand to lose by this merger? 这次合并,他们要遭受多大损失?
- Stand clear of the swinging boom of the crane. 不要走近转动的超重机吊杆。
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- Never stand aloof from the masses. 千万不可脱离群众。