我们必须想出更好的节约用水的方法。
结合某粘胶纤维厂生产实际，对粘胶纤维生产过程中的各个环节的节约用水的方法进行了详细的探讨，并提出了具体的节水措施。
In this paper, the ways of water economization for the production of viscose fiber in practice were discussed. The measures of water economization were proposed.
他还想出了节约用水的新方法。
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