Metabolic and residual rule of clenbuterol hydrochloride in creatural body .
盐酸克伦特罗在动物体内代谢与残留规律。
Of course , as for the questions in the breakdown of natural science , too uncommon and boring mathematical calculation can influence your activity , therefore I ask interesting and practical questions , such as creatural diesel oil , using of straw , recycle of rubbish , resource insect cultivation , as far as possible .
