物流成本是物流活动中所消耗的物化劳动和活劳动的货币表现。
参考答案:对
I have had my bike , and I’m going to have somebody my radio tomorrow.
A.repair; to repair
B.repairing; to be repaired
C.repaired; repair
D.to repair; repairing
变、配电装置防火措施的检查不包括()的检查。
A.变压器保护
B.接地措施
C.短路防护措施
D.开关防护措施