It is it is matrix by colophony, fibre glass is made via special technology to enhance material and become.

它是由树脂为基体，玻璃纤维为加强材料经特别技术制造所成。

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It is it is matrix by colophony, fibre glass is made via special technology to enhance material and become.

它是由树脂为基体，玻璃纤维为加强材料经特别技术制造所成。

youdao