A. 正确 B. 错误
A. 装车 B. 卸车 C. 卸后装车 D. 不装不卸
A. 0.90,0.85,0.8 B. 0.95,0.9,0.85 C. 0.90,0.80,0.7 D. 0.95,0.85,0.75