受精后第几天,晚期囊胚透明带消失之后开始着床() ["第8~10天","第5~6天","第3天","第4天","第6~7天"]
阴寒积滞型便秘称为() ["实秘","冷秘","虚秘","热秘","阴秘"]
患者女,60岁,21|12缺失,3残根,已做根管治疗,余留牙健康,前牙舌侧牙槽骨为斜坡形桩核唇侧应为金属烤瓷冠留出的间隙为()。 ["A.0.5mm","1.0mm","1.5mm","2.0mm","1.8mm"]
患者女,60岁,21|12缺失,3残根,已做根管治疗,余留牙健康,前牙舌侧牙槽骨为斜坡形如采用舌杆,其后部与黏膜的关系应该是()。 ["A.密合","模型表面刮除0.3mm","模型表面刮除1.0mm","舌杆离开黏膜0.3mm","舌杆离开黏膜1.0mm"]
当管道内介质温度达到400C以上时,可选用()垫片。 ["A、钢垫;","B、紫钢垫;","C、缠绕垫片;","D、聚四氯乙烯垫片。"]
发热的病因。