下列哪一种治法，不是《血证论》提出的治血大法（）
A.止血
B.宁血
C.补血
D.凉血
E.消瘀
参考答案：D
analyzing，tracing，prioritizing and agreeing on requirements and then controlling changes and communicating to relevant stakeholders. It is a（）process throughout a project. A requirement is a capability to which a project outcome（product or service）should conform.
A、persistent
B、continuing
C、permanent
D、continuous
在超声波探伤中，直探头能发现什么样的缺陷？
