After leaving the air pump this heat-transfer medium goes into the system inner circuit through Four-way valve 8 which is inside the building.
离开气泵后传热介质进入系统内部电路通过四通阀8在这座建筑。
A by-pass capillary tube was added on the discharge pipe behind the four-way valve and a tube was added in an accumulator in a heat pump system to solve the problem.
在热泵系统四通换向阀后的排气管上加旁通毛细管和在气液分离器中加过冷管。
The unit is composed by the mainframe and the inside unit, the mainframe is divided into compressor, four-way valve, water-fluorine heat-exchanger and some accessories;
分离式机组由主机和室内机两部分组成，主机包括压缩机，四通阀，水-氟换热器及一些附件；
Sensible heat defrost is a new defrosting method which avoids disadvantages of four-way valve reverse defrost and USES the sensible heat of hot refrigerant vapor from compressor to defrost.
显热除霜是针对四通阀换向除霜方式的缺陷而提出的一种新型的除霜方式，它是利用压缩机排出的高温制冷剂的显热对蒸发器进行除霜。
Electric three-potential four-way valve is a special equipment for ship heeling adjustment during cargo handling operation on cargo ship. It was purchased from foreign countries in the past.
电动三位四通阀是货船在装卸货物和作业时调整船舶横倾的专用设备，过去都是从国外订购。
It is unsuitable to research dynamic characteristics of asymmetric cylinder controlled by symmetric four-way valve using the result of symmetric cylinder controlled by symmetric four-way valve.
对称四通阀控对称液压缸的分析结果对对称四通阀控非对称液压缸动态特性研究已不适用。
Two design strategies that three-way valve control unsymmetrical cylinder and four way valve control symmetrical cylinder were analyzed from principle and system structure aspects.
对船用舵机泵控系统中位置控制单元的三通阀控制非对称缸和四通阀控制对称缸的两种设计方案进行了理论分析和系统结构分析。
In addition, the measurement on pressure loss cross one side of four-way diverter valve has been carried out and some questions on pressure loss of four-way diverter valve are posed.
同时，也对四通换向阀进行了单侧压力损失测量，对四通换向阀说明书上的压力损失参数的准确性提出了质疑。
The check is in the series of coil and four-way reversing valve control relay contact resistance increases, the bad, the contacts the voltage reduced.
经查是与四通阀线圈串联的控制继电器触点接触不良，电阻增大，致使电压降低。
The utility model relates to an end-face sealed manual three-position four-way reversing rotary valve.
本实用新型涉及一种端面密封手动三位四通换向转阀。
The utility model relates to an end-face sealed manual three-position four-way reversing rotary valve.
本实用新型涉及一种端面密封手动三位四通换向转阀。
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