This is a process that each bar can manage self-adjustment and balance without any external forces and influence on other bars.
这一过程是每个线棒既不依靠外力也不涉及和影响其他线棒的自我调节和平衡过程。
This is a process that each bar can manage self-adjustment and balance without any external forces and influence on other bars.
这一过程是每个线棒既不依靠外力也不涉及和影响其他线棒的自我调节和平衡过程。
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