They are as compact as classical gasheaters that only produce heat. Moreover, they can comfortably be mounted on the wall and easily be maintained.
这种设备不仅和传统的单纯气体加热设备一样紧凑，而且可以简单的安装在墙上，维护起来还很容易。
2
Blocking problems of scaling formed in gas-gasheaters (GGH) are often encountered in the continuous operation process of domestic wet flue gas desulfurization (WFGD) systems.
国内某电厂的湿法烟气脱硫系统在连续运行过程中出现了气-气换热器结垢堵塞的问题。
3
Initially, Paloma denied its water heaters were to blame for the deaths. It later said that some of the gas poisonings were the result of a product defect.