Drill a hole in the centre of the blank PCB so that the copper pipe is a tight fit in the hole.
在空白电路板的中间钻一个小孔，使得铜管正好紧紧地固定在中间。
He chiseled a hole in the door to fit a new lock.
他在门上凿了个孔，以便装一把新锁。
He chiselled a hole in the door to fit a new lock.
他在门上凿了一个孔，以便装一把新锁。
The electrician chiseled a hole in the wall to fit a door bell.
电工在墙上凿了个孔，以便装上门铃。
The electrician chiseled a hole in the wall to fit a door bell.
电工在墙上凿了个孔，以便装上门铃。
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