实际上，某些面料底边最好是免烫的，先用一小块面料试验一下。

Some hems in FACT are better left undressed. Experiment with pieces of fabric first.

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第一块免烫织物便是这项研究的成果。

The first"no -iron"cotton was the result of this research.

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第一块免烫织物便是这项研究的成果。

The first"no -iron"cotton was the result of this research.

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