下列哪些是阳痿因实致虚的证型()
A.肝郁化火,伤及肝肾
B.脾虚夹瘀夹痰
C.肾虚夹瘀夹痰
D.湿热灼伤肾阴
E.湿热下注,湿阻阳气
参考答案:A, D, E
In relation to the Russian legal system:
(a) Explain the process through which a legislative proposal becomes a federal law. (6 marks)
在估算设备寿命时,必须考虑设备( )期限的变化特点及其使用的制约或影响。
A.自然寿命 B.技术寿命C.物质寿命 D.经济寿命