Then experiment on the mainshaft unit's dynamic balance is performed using a dynamic balancing tester. 并在动平衡试验机上对主轴进行了动平衡实验。
The seal rocks are in either overpressured or normally pressured, and the gas accumulation is characterised by a dynamic balance. 气藏盖层有超压的，也有不超压的，天然气聚集具动平衡特点。
