1) Double systems of cooling & heating
冷暖双系统
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) new double-pipe heating system
新双管采暖系统
5) two-pipe heating system
双管采暖系统
6) relationship between cold tone and warm tone
冷暖关系
补充资料：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
CAS：38051-10-4
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
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