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...
Deposits of plaque build up between the tooth and the gum.牙齿和牙龈之间会滋生牙斑。I was in agony with tooth ache.我牙疼极了.Objective : To study the stress tooth preparation with two kinds of porcelains.〔摘要〕目的: 研究瓷贴面复合体应力分布规律.The dentis...
The policemen kept blackmailing him, because they had sth . on him.那些警察之所以经常去敲他的竹杠是因为抓住把柄了.He told her their affair would have to stop, because Jack Smith was blackmailing him.他告诉她说他们的婚外情必须结束了，因为杰克·史密斯正在敲诈他。The crime syn...