当轿门和层门中任一扇门未关好和门锁未啮合( )以上时,电梯不能启动。
A.4mm B.5mm C.6mm D.7mm
参考答案:D
病历摘要:男性,29岁,劳累后心悸、气促10年。查体:心尖部可闻及舒张期隆隆样杂音,S1亢进,可闻及开瓣音,P2亢进。近日来出现阵发性心悸,心电图显示快速房颤。
下列哪些心脏病不能触及震颤()。
A.二尖瓣狭窄
B.肥厚性梗阻型心肌病
C.主动脉瓣关闭不全
D.肺动脉瓣狭窄
E.急性心肌梗死室间隔穿孔
F.房间隔缺损;Ebstein畸形
.
--- It’s said that there are more than 1 million citizens in the county.
---Exactly. One reason is that people are____into it in great numbers.
A.breaking
B.filling
C.pouring
D.hurrying