包含 PBT 的英语例句 | 欧路词典例句词典

Polybutylene terephthalate (PBT) is a semicrystalline thermoplastic polymer formed by a condensation process.

PBT是一种通过浓缩成型而制备的，一种半塑性塑料。

This paper introduces the preparing method, the structure, the properties and applications of poly (trimethylene terephthalate) (PTT), and it compared with PET, PBT et al. engineering plastics.

本介绍了聚对酸丙醇酯(PTT)的制法、构、性能及应用,并和PET、PBT等工程塑料进行了比较。

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原声例句

Engvid超

Rebecca - 托福雅思托业考试

Now, there was and there still is another IELTS test also available, at least at the time that we're recording this lesson, which is called the PBT, which stands for " Paper-Based Test" .

现在，过去有并且目前仍然有一种雅思考试可用，至少在我录制这节课的时候，这种考试被称为纸笔考试，简称“PBT” 。

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VOA Special 2014年10月合集

Some businesses and government offices use the PBT to test the English language skills of their employees.

一些企业和政府使用 PBT 来测试其员工的英语语言技能。

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VOA Special 2014年10月合集

The iBT and PBT have very different structures.

iBT 和 PBT 的结构非常不同。

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