The control rod is inserted into the containing via hole from top to bottom, and the lower end of the control rod supports against on the fusible body.
该控制杆，它从上往下插接进该容置通孔，而且，它下端抵靠在可熔体上。
The control rod is inserted into the containing via hole from top to bottom, and the lower end of the control rod supports against on the fusible body.
该控制杆，它从上往下插接进该容置通孔，而且，它下端抵靠在可熔体上。
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