A screw dry vacuum pump, wherein a shaft part (15b) of the rotor is provided with timing gears (16, 19) meshing with each other and a locking mechanism (17) for fixing the timing gears (16, 19) to the shaft part (15b), the shaft part (15b) and the toothed part (15a) being ...
摘要 随着市场经济的发展,医患矛盾比比皆是,医患关系也不如从前和谐,医患纠纷日趋增多,全社会都非常关注.很多案例表明,医患纠纷的处置若是不及时不得当,会给医院造成不小的损失,甚至给社会带来负面影响,将原本的矛盾升级为危机.所以医患纠纷的妥善... 更多 关键词 危机管理;医患纠纷;应...