Forced line break — note that it doesn't require a closing tag.
强制断行——注意它不需要关闭标签。
2
The helical cuts and ribs forced the bolt head to rotate on opening and closing stroke of the bolt, thus unlocking and locking it to the receiver.
螺旋肋被迫削减和螺栓头部旋转开幕式和闭幕式上的螺栓中风，从而解锁和锁定到接收器。
3
The price gap between Chinese and Italian plants is gradually closing as the Chinese manufacturers realise that quality is expensive and are forced to raise their prices.