《通知》中提到,这次进修计划涵盖了社区卫生服务中心的全科、儿科、五官科、口腔科、中医科、康复科等多个科目。 这部分社区医生需结合实际情况,每5年到上级医院进修3-6个月。 进修的具体内容也极为明确: 1.进修学习。社区医生应根据执业范围、个人发...
Composite thrust face bearing structure for rolling cutter drill bit - has alternating segments of metallic bearing material effective over broad temp. range A rolling cutter is rotatably mounted on a cantilevered bearing shaft by a radical bearing and an axial bearing. The axia bearing comprises a...