| 释义 |
polyurethane rubber短语¹⁴⁴⁹⁷²⁺²
基本例句
聚氨酯橡胶
The ball is a hollow aluminum sphere covered with a thick layer ofpolyurethane rubber.这个球是空心球体，表面有一层厚厚的聚氨酯橡胶。
Silicones and urethanes are by far the leading sealant products followed by latex and butyl rubber.到目前为止密封剂产品主要是硅树脂和聚氨酯橡胶，其次是乳胶和丁基橡胶。 |