纺织工业利用的是苎麻韧皮纤维，原麻需经过脱胶后才能用于纺织。
What the textile industry use is the ramie's phloem fiber. The raw fiber must be unglued before it is used to spin.
荨麻在嫩时，叶子是一种非常好吃的蔬菜。老荨麻也有一种和亚麻或苎麻一样的纤维和经络。
When the nettle is young, the leaf makes an excellent vegetable; when it is older, it has filaments and fibres like hemp and flax.
因此，氢氧化钠是在这项工作中所使用的预处理苎麻纤维。
Thus, sodium hydroxide was used in this work for the pretreatment of ramie fiber.
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