Menstruation是什么意思

网络释义

用法例句

Together with the operation experience, the type and position of transformer s fault can be determined correctly through comprehensive analysis on the data of electrical test and gas chromatography.

结合平时的运行经验,对电气试验和气相色谱分析数据进行综合分析,可以比较准确地判断变压器故障类型和故障部位。

In this article, several common design plans of air-conditioning and hot water system were compared in the following aspects: energy-efficient, steady running, flexible in usage, easy to operate, separate measurement, long working life, economical operation, safe and environmental protection etc.

本文通过对几种常用空调和热水系统方案的优缺点及技术经济进行详细分析,认为无论从设备的高效节能、运行稳定、使用灵活、操作方便,还是从用户计量、工作寿命、运行经济、安全环保等方面进行比较,水环热泵空调系统+空气源热泵热水系统在长沙地区使用具有极大的优势。