英语语法分析

The first ultrapure fiber was made just four years later, in 1970.

仅仅四年之后，全球首个超纯纤维就于1970年问世。

In 197o, researchers at Corning Glass Works were able to produce a kilometer-long ultrapure optical fiber.

1970年，康宁玻璃厂的研究者们能生产出了光可以穿行1千米的超纯光纤。

The paper introduces the principle, component and common breakdown of MILLIPORE ultrapure water system.

本文介绍了密理博超纯化水系统的简单原理、组成及常见故障。