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。
The City Watch barracks is a centre for pursuits worthy of true soldiers, a place for exercises, drill and weapons practice.
警备军营作为实战步兵基地，提供各种操练和武器练习设施。
The City Watch barracks is a centre for pursuits worthy of true soldiers, a place for exercises, drill and weapons practice.
警备军营作为实战步兵基地，提供各种操练和武器练习设施。
应用推荐