gas phase是什么意思

用法例句

This article focuses on the installation and inspection for electrical engineering in explosive gas atmosphere and makes a collection and description on the knowledge and points for attention to the acceptance staffs, so it is provided with practicable and operational instruments.

文章就爆炸性气体环境电气工程、安装和检查以及验收人员必须掌握的知识和具体要求进行了详细阐述 ,具有实用性和可操作性。

Long-distance monitoring system for gases based on GPRS;

基于GPRS的远程气体环境监测系统