Wheather lampholder needs to be made of PMMA?

灯头是否需要使用亚克力的？

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PMMA as a domestic industry for large companies.

作为国内有机玻璃行业的大型公司。

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Basing on experiments, the creep constitutive relations of PMMA were researched.

在实验的基础上，对单轴pmma试件的蠕变型本构关系进行了研究。

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For decades, the primary method to treat factures has been to use metallic hardware such as plates, screws and pins or a total joint prosthesis combined with standard bone cement known as Poly-Methyl-Methlacrylate (PMMA).

FORBES: Ozics And The Future Of Mending Bones