阿二位四通阀是所必需的操作。
高温空气成份几乎不受四通阀切换瞬间发生器内滞留烟气的影响。
The air component isn't influenced by the residual fume at the switching moment.
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。
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.
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 check is in the series of coil and four-way reversing valve control relay contact resistance increases, the bad, the contacts the voltage reduced.
IR吸收池是自制的气体流通池，只用一个四通阀即可将待测组份截留在吸收池中。
A self-made gas flow cell is used as the IR absorption cell. The components to be analyzed can be trapped with only one fourway 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。
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.
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。
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.
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；
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;
介绍了高温空气发生器的工作原理与特点，提出了采用可编程序控制器(PLC)控制四通阀周期切换的控制方案。
The principle and characteristics of the high temperature air generator is introduced. The PLC control project of periodical shift of the cross valve is expounded.
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。
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.
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。
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.
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。
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.
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。
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.
这种井口装置由套管法兰、套管大四通、井口阀、油管挂、油管挂体及相关附件组成。
It is composed of casing flange, casing cross joint, wellhead valves, tubing hanger, tubing head cross joint and accessories.
对于KFR型空调器，若制冷正常，而不制热，其故障主要发生在四通电磁阀或其控制电路。
For KFR type air-conditioner, if refrigeration normal, not heating, its fault mainly in four electromagnetic valve or its control circuit.
结果表明：适当降低流过蓄热体的气体流速，缩短四通换向阀的切换时间，可降低烟气的出口温度，提高系统的余热回收率。
Result shows that decreasing fluid rate and shortening switching time can decrease the temperature of the exhaust gas and increase the recovery rate of waste heat.
四通冲洗阀特点：延时自闭、水流路径成“一”字型， 适应的水压比较多， 有手柄式、按钮式、脚踏式。
Characteristics of cross-joint flush valve: they are time-lapse, self-closing, beeline of water route.
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.
四通 手动控制阀可用于所有气动或液动双作用缸体执行器。
Four-Way Diaphragm Pilot Valves are for use on all double-acting pneumatic cylinder actuators.
[目的]找出空调四通换向阀产品封头-铁素体不锈钢棒材开裂失效的原因。
This is to study the reasons why water leakage failure is caused by 4-way reversing valves-ferrite stainless steel bars.
直通式旋塞阀主要做切断用，三通式和四通式用于分配用于分配介质流量。
Straight-through processing Xuan Sefa mainly used to do cut off, three-and four-way-to medium allocated for the distribution of traffic.
直通式旋塞阀主要做切断用，三通式和四通式用于分配用于分配介质流量。
Straight-through processing Xuan Sefa mainly used to do cut off, three-and four-way-to medium allocated for the distribution of traffic.
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