片石的抗压强度应不小于20MPa,并不得低于混凝土级别。 ( )
参考答案:错
What is not a reason for companies to organize lessons learned ?()
A.Lessons learned databases are an essential element of the organizational process asset
B.Lessons learned should focus on identifying those accountable for errors and failure
C.Lessons learned sessions should bring about recommendations to improve future performance on project
D.Phase-end lessons learned sessions provide a good team building exercise for project staff member
假和