针状硅灰石
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Superfine acicular datolite short-fiber 超细针状硅灰石短纤维
acicular datolite
针状硅灰硼石
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The results showed that the properties of PA66 were improved and the cost of material was decreased with the addition of the superfine acicular datolite short-fiber.
实验表明，超细针状硅灰石短纤维的加入不仅使PA66的各种性能得到改善，而且原料成本有所下降。
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