既属病因,又属病理产物的是()。
A.寒邪
B.暑邪
C.燥邪
D.瘀血
E.七情
参考答案:D
解析:瘀血是疾病过程中所形成的病理变化及病理性产物,又为继发病因。
中压联合汽门开启时,应先开关断门,后开调节阀。关断门前面压力平衡,调节阀四周受力,开启比较()。
In the traffic accident, an girl was badly hurt this morning. [ ]
A. eight-years-old
B. eight year old
C. eight-year-old
D eight-years old