He was put on a high dosage of vitamin C.给他服了大剂量的维生素C。He had improved so much the doctor had cut his dosage.他康复很快，医生已减少了用药剂量。Excessive dosage of this drug can result in injury to the liver.这种药使用过量会损害肝脏....
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...