After the contact, charge is released, hang oneself from a beam regains initiative position.
接触后, 电荷开释掉, 上吊恢复到初始地位.
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This one periodic course repeats, make hang oneself from a beam produces vibration.
这一周期经过几回, 使上吊发生振荡.
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壁挂式多用电磁炉控制系统的设计首先针对自身的要求进行分析。
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