... unit graph method 单位过程线法，单位历线法 unit heater 供暖机组 unit hydrograph 单位雨时流量 ，历线 ...
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gas fired unit heater 燃气的单元加热器
floor type unit heater 地板供热器 ; 天板供热器
oill-fired unit heater 燃油热风器
unit heater with axial fan 轴流式暖风机
suspended type unit heater 悬式散热器
unit heater with centrifugal fan 离心式暖风机
projector type unit heater 投射式单位散热器
suspended unit heater 悬吊暖气器
oil-fired unit heater 燃油热风器
This paper presents the situation of application and effect of frequency-converting technique in unit heater system.
本文介绍了变频调速技术在供暖系统补水改造上的应用及改造效果分析。
Briefly introduces Present heating manners and their existent problems in domestic large workshops, as well as the application effectiveness of downward discharge unit heater.
简要介绍目前国内高大厂房常用采暖方式和存在问题，以及采用下送射流式暖风机的效果。
The APU fuel system consist of a fuel valve, control unit, solenoid valve, filter, heater and control valve.
APU燃油系统包括一个燃油活门、控制组件、电磁活门油滤、加热器及控制活门。
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