1) twopipe closed loop heat-supply system
双管闭环供暖系统
2) two-pipe heating system
双管供暖系统
1.
Analyses three projects that the differential pressure controllers are used in two-pipe heating systems with household heat metering,recommends some selective principles of three projects,points out that gravity head may not be considered when hydraulic calculation is operated in the design condition,and two-pipe heating systems with household heat metering should be the direct-return system.
对压差控制阀在分户计量双管供暖系统中的三个应用方案进行了分析 ,给出了各方案的选择原则 ,并指出分户计量双管供暖系统在设计工况下进行水力计算时 ,自然作用压头可以不予考虑 ,户内和户外系统应采用异程式。
3) single and double pipe heating system
单双管供暖系统
4) two pipe direct return system
双管直接回水供暖系统
5) two pipe upfeed heating system
双管上分供暖系统
6) Closed Heating System
闭式供暖系统
补充资料：管闭
1.亦作"管闭"。 2.关闭。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条