冷却时间越短越好,热加工后食品的冷却时间不宜超过()小时。
A、1
B、2
C、3
D、4
参考答案:B
Which of the following BEST describes a project management plan ?()
A.A print out from project management softwar
B.A bar char
C.Risk management,staffing,process improvement and other management plan
D.The project scop