He was a gentle, rather bovine man.他是一位文雅而反应迟钝的人.He was a gentle,rather bovine man.他是一位文雅而反应迟钝的人。The International Bovine Meat Agreement done at Marrakesh on 15 April 1994.《国际牛肉协定》1994年4月15日订于马拉喀什.Hydrolyzed Collagen Pro...
多氯化联苯在土壤中, 水中或空气中都无法分解, 只会继续累积.PCBs don't break down in soils, water or air, but carry on accumulating.建立了HPLC测定联苯菊酯含量的方法.An HPLC method for the determination of bifenthrin emulsifiable concentrates was developed.介绍...