The most likely first steam operated conveyor belt was set into operation in 1804 by the British Navy to produce ship's biscuits.
最有可能的第一台蒸汽操作输送带是在1804年投入服务，由英国海军生产船舶的饼干。
The most likely first steam operated conveyor belt was set into operation in 1804 by the British Navy to produce ship's biscuits.
最有可能的第一台蒸汽操作输送带是在1804年投入服务，由英国海军生产船舶的饼干。
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