Combining with each factor affecting resistance and data provided in fields, the methods to solve the installation problems of slotted bolts in less diameter are proposed.
结合影响锚杆工作阻力的各个因素及现场提供的数据，提出了解决小直径缝管锚杆安装问题的方法。
This paper introduces the structure, setting principle, orifice diameter calculation, selection and installation requirement for safety valve.
介绍了安全阀的结构、设计原则、喉径计算、选用和安装要求。
The rings of slewing bearings with a diameter of several metres are frequently cut into segments for ease of transport or installation.
五环的回转轴承直径几米切成段常为便于运输和安装。
应用推荐