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。
Most people know electricity standing still is no more useful than is a stationary belt between a steam engine and a machine to be driven.
大多数人认为，停滞不动的电并不比架设在蒸汽机和要被传动的机器之间的固定带更有用。
It vertical or horizontal installation, usually oil, steam or tube type or belt type electric heaters heating.
它垂直或水平安装，通常用油、蒸汽或筒式或带式电热器加热。
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