英语语法分析

The composite material sheet is made of the fiberglass, colophony and foam.

复合材料层板由玻璃纤维和树脂混合层以及泡沫层组成。

The core bar form process should base on the heat curve of the colophony solidify.

芯棒拉挤成型主要参数应根据树脂固化的“放热曲线”为基准加以确定。

We made a noise-measure model and a PE model by using phenol-formaldehyde colophony.

利用苯酚甲醛树脂制成噪声测量模型和肺动脉栓塞（PE）模型。