It is concluded that the switch production of 4 sulphite products as required in one plant, when slightly altered, is feasible both theoretically and practically.
指出以一套装置为基础，根据需要适当调整，以生产上述四种产品中的任一种，在理论上和实践上均是可行的。
It is concluded that the switch production of 4 sulphite products as required in one plant, when slightly altered, is feasible both theoretically and practically.
指出以一套装置为基础，根据需要适当调整，以生产上述四种产品中的任一种，在理论上和实践上均是可行的。
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