用手指与拇指直立地拿著吸入器,将拇指放在底部, 及吸口的下方.Hold inhaler upright between fingers and thumb with your thumb on the base, below the mouthpiece.针对氧气吸入器检定过程中存在的主要问题,指出了计量器具检定的必要性、重要性.Points out the necessary and important meaning of the ...
More examples just belabour it.佐证多了,反而画蛇添足.He seems to be looking for a man of straw to belabour.他看来在找一个假想的敌人来加以痛打。I won't belabour the point, for this is a familiar story.因为这点已经是众所周知了，我就不再啰唆了。Men began to belabour ...
目的: 制备复合氨基酸铜螯合物.Aim : To prepare the compound amino acids chelated copper.着重介绍了聚酰胺-胺 ( PAMAM ) 树状大分子钆螯合物造影剂的性质及应用研究情况.The properties and application of polyamidoamine ( PAMAM ) dendrimer - based gadolinium agents are rev...