Certain system configurations involving direct connection of a Swing Check Valve to other flanged equipment may require consideration of this bolt clearance.
某些系统配置，包括旋启式止回阀直接连接到其他法兰设备的场合可能要求考虑这种螺栓所需要的间隔。
2
The ancient swing multi-purpose tree Lindera sticks to frame, then bolt on the ribbons made of.
古时的秋千多用树桠枝为架，再栓上彩带做成。
3
The utility model can increase the swing assisting Angle and the swing assisting strength through adjusting the central adjusting screw bolt to meet the requirements of different patients.