The results showed that every group expressed many vacuum chewing, bar-biting or manipulating trough behavior.
结果发现,所有观察组妊娠母猪都有一定数量的无食咀嚼、啃栏、啃槽等行为规瘸发生。
2
In bar rolling process, the technical conditions of roughing may change and make camber occurred, for example, different temperature at both bar side, bar wedge and off-center in biting.