The drive system is comprised of at least one balance shaft and a torsion bar.
该驱动系统包括至少一个平衡轴和一个扭力杆。
The balance point: the balance point for a typical badminton racket lies on the shaft.
平衡点一般球拍的平衡点都位于其中杆上。
The balance point: the balance point for a typical badminton racket lies on the shaft.
平衡点一般球拍的平衡点都位于其中杆上。
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