determinator例句

This paper makes an introduction of the principles, composition and operating method of this determinator.
介绍了仪器的原理、组成及使用方法.

The principle, structure and characteristic of Hydrogen determinator and it's application in environmental testing was summerized.
本文叙述了定氢仪的测氢原理、结构、特点及定氢仪在环境试验中的用途.