Fastening bolt on the level of technology research, analyzed the advantages and disadvantages of various fastening methods to determine the level of the bolts after using the torque-angle for tightening. 对水平螺栓的紧固工艺进行研究,分析了各种紧固方法的优缺点之后确定了水平螺栓要使用力矩-转角法进行紧固。