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聚酯纤维已经成为最成功的人造纤维之一。
Polyester has become one of the most successful of the man-made fibres.
youdao
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对一种PVDF涂层的聚酯纤维膜材进行实验研究。
A kind of PVDF membrane material was experimentally studied.
youdao
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对一种PVDF涂层的聚酯纤维膜材进行实验研究。
A kind of PVDF membrane material was experimentally studied.
youdao