The degree to which the viscosity of an oil will change with a change in temperature is indicated by the （）. ["weight designation","viscosity index","pour point","thermal change value"]
以下哪些任务需要使用管理任务单（）。 ["重大危险源评估","季节性安全检查","现场例行安全检查","专项安全检查"]
以下元素中被称为生命元素的为（）。 ["N","S","K","P"]
可以下达操作任务单的人员有（）。 ["值长","运行班长","机组长","发电部主任"]
注水井分层指示曲线非正常的有（）。 ["垂线式、直线式","垂线式、上翘式","直线式、上翘式","直线式、折线式"]
WE、CC分别代表导线的哪种线路敷设部位？
