Associating with the large section loess tunnel of the building Zhengzhou-Xi'an high-speed passenger rail lines, we have done many in site contrast testing to evaluate the effect of system bolt.
本文结合正在修建的郑州—西安铁路客运专线大断面黄土隧道,采用现场对比试验方法对系统锚杆作用效果进行研究。
参考来源 - 大断面深埋黄土隧道锚杆支护作用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
But after technicians managed to attach a large separation system bolt on the lower right side of the shuttle's belly, an internal nut slipped out of position and fell off.
但在技术人员将一个大的分离系统的螺栓连接到机腹右下侧位置时，一个内螺母滑脱掉落了。
When that happens, triangulation allows the system to locate the original bolt with precision.
当发生这种情况时，三角测量法允许系统精确定位原闪光。
As the system is designed to fit around a standard four-bolt mountain bike crankset and standard BB mounting, the advantages of the new system can be obtained on almost any modern DH bike or frame.
该系统是根据标准四螺栓山地车曲柄和标准BB山地车设计，所以这个新设计可以被几乎所有的现代DH自行车和框架使用。
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