()are used widely in the operation of warehouse and distribution center andform the basic handling device for a number of selection system.
- A、Cranes
- B、Conveyors
- C、Forklifttruck
- D、Pallets
正确答案:B
答案解析:有
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()are used widely in the operation of warehouse and distribution center andform the basic handling device for a number of selection system.
微信扫一扫手机做题