下列有关激光焊接的说法,哪项是错误的()。 ["焊件无需包埋","焊接时无需焊媒","无污染","磁场对光束无任何干扰","它属于压力焊"]
男,28岁,无意中发现左下颌骨较对侧隆起.CT如图所示,最可能的诊断是() ["下颌骨齿釉细胞瘤","下颌骨巨细胞瘤","下颌骨角化囊肿","下颌骨根端囊肿","下颌骨含牙囊肿"]
皮质激素在治疗面神经炎的作用是() ["抑制免疫","抗病毒","抗过敏","抗细菌","减轻面神经水肿"]
下列哪个肌松药完全经肾脏排泄()。 ["泮库溴铵","加拉碘铵","筒箭毒碱","二甲基简箭毒碱","哌库溴铵"]
哪项不是可摘局部义齿的组成成分() ["A.固位体","B.基牙","C.人工牙","D.基托","E.连接体"]
在根据典型的单元过程进行危险和有害因素的辨识中,当处理易燃气体物料时,要防止()的形成。