特发性面神经麻痹时Bell征指的是() ["患侧表情肌瘫痪,额纹消失,不能皱额蹙眉","眼裂不能闭合或者闭合不全,闭眼时患侧眼球向外上方转动,露出白色巩膜","患侧乳鼻唇沟变浅,口角下垂","眼裂不能闭合或者闭合不全,闭眼时患侧眼球向外下方转动,露出白色巩膜","颊肌瘫痪,食物易滞留病侧齿龈"]
根据《水电水利工程爆破施工技术规范》(DL/T5135-2001),电力起爆只允许在()的区域使用。 ["无雷电天气","感应电流小于30mA","杂散电流小于20mA","杂散电流小于30mA","感应电流小于20mA"]
不属于油水分层罐结构的是()。 ["进料插底管","罐体","减压装置","封头"]
劳务派遣一般不在以下什么工作岗位上实施() ["临时性;","辅助性;","长期性;","替代性。"]
胸片可见环形透亮区、肺门上提、肺纹理呈垂柳状改变的多为() ["Ⅰ型肺结核","Ⅱ型肺结核","Ⅲ型肺结核","Ⅳ型肺结核","Ⅴ型肺结核"]
装车作业未完的货车按什么计算?