Chronically sick pigs often suffer from a partial alopecia characterized by a thinning of the bristles.慢性病猪通常有局部脱毛,特点是鬃毛变稀疏.Objective To investigate the related factors for alopecia areata in children.目的探讨儿童斑秃发病的相关因素.Rol...
介绍浮选机矿浆液位控制系统及其工业试验过程.Expounds liquid level control system of flotation machine and its industrial test.与XHF浮选机联合使用可形成水平布置的浮选系统.When combined with XHF , it may consist a horizontal flotation system.这一新工艺是在具有边磨边浮功能的塔式磨矿浮选...
He that talks much errs much.[谚]言多必有失.Man errs so long as he strives. ( Johan Wolfgang Goethe )人只要奋斗就会犯错误. ( 歌德 )If you make a threat be sure to carry it out if he errs again.如果你作出威胁，在他再犯错时，一定要说到做到。Man errs so long as he...