The heat source for evaporation may be Iow pressure steam or surplus heat steam.
蒸发操作的热源可采用低压蒸汽或废热蒸汽。
The heat source for operation of evaporation may be low pressure steam or surplus heat steam;
蒸发操作的热源可采用抵压蒸汽或废热蒸汽。
The heat source for operation of evaporation may be low pressure steam or surplus heat steam;
蒸发操作的热源可采用抵压蒸汽或废热蒸汽。
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