加长毛细管的长度对家用电冰箱制冷性能的影响是()
A、增加供液量
B、减少供液量
C、制冷量增加
D、减小压力差
参考答案:C
A project manager learns that corrective action was implemented by a team member, but not documented. What should the project manager do NEXT
A) Report the violation to the functional manager. B) Clarify the reasoning behind the team member's action. C) Add the implemented corrective action to the historical record. D) Find out who caused the problem.
社会保险是()
A.建立在自愿的基础上
B.给付标准比商业保险高
C.具有强制性
D.费用由国家承担