Proper infection dosage and routes were selected to make the chickens artificially infect avian colibacillosis successfully.选择适宜的攻毒剂量和攻毒途径,诱发淮南麻黄鸡大肠杆菌病.The dosage of technological parameter and feasible emulsification an...
Estimate , debar and repair the failure of network and computers.网络系统、计算机硬件的故障判断、排除和送修.The railroad gates debar people from crossing the tracks.铁道的栅栏阻止行人跨越轨道....
Nick's head bent slowly over hers until their mouths met.尼克慢慢向她低下头去，直到他们的嘴唇碰在了一起。He made mouths at his mother and then ran out.他冲他妈妈做完鬼脸之后就跑出去了.Small alluvial fans at mouths of wet weather drainage ways also are com...
Tame birds, when approached, will stretch out their necks and ruffle their neck feathering.驯养的鸟儿在有人靠近时会伸长脖子，竖起颈羽。Mary's much more interested in doing things for other people than feathering her own nest.相比追逐私利，玛丽更乐意...
The radial displacement must be accompanied by a circumferential force.径向位移必须伴有圆周力.Burns that are circumferential are difficult to position.环形烧伤的体位很难确定.The circumferential normal stress is tensile.周向正应力是张性的....