殉爆距
参考答案：
是指在装有雷管的主炸药包爆炸时，能使相隔一定距离的另一种同种药包百分之百也爆炸的最大距离。
According to the Code of Ethics, which of the following statements is FALSE CFA Institute members are required to:（）
A. comply with the CFA Institute Performance Presentation Standards.
B. use reasonable care and exercise independent professional judgment.
C. practice and encourage others to practice in a professional and ethical manner.
管道按最高工作压力分为几级？
