| 1. | Accordingly , a series improvement measures , such as replacing bolts with double - screw bolts , filling the gap between the double screw bolts and the torque divider with fluid sealant , etc . , are proposed 并由此提出了将螺栓改为螺柱、在螺柱的光杆部分采用密封胶填充、提高螺柱材料强度等一系列措施。 |