Has a vapour return line been connected?
蒸发气回流管是否已接通？
Gets a value indicating whether the class can return line information.
获取一个值，该值指示该类是否可返回行信息。
Hydraulic reservoir at atmospheric pressure, with return line below fluid level and air filter.
带有回流管(低于流体水平面)和空气过滤器的液压容器。
This steam is then collected for use in other heat exchangers or discharged to the condensate return line.
这部分蒸汽会用于其他热交换器或者排放到凝结水回水管线中。
Drag to add a hydraulic reservoir at atmospheric pressure, with return line below fluid level and air filter.
拖动后可在常压下添加带有回流管(低于流体水平面)和空气过滤器的液压容器。
Single bus technology is a master-slave network with data communication by both a data line and a return line.
单总线技术是使用一根数据线与一根返回线实现数据通信的主从式网络。
Supervisor Road: including oil suction line, pressure oil pipeline and oil return line, used to achieve the transfer of pressure energy.
主管路：包括吸油管路，压油管路和回油管路，用来实现压力能的传递。
A check valve should be installed on return piping if there will be a pressurized return line or the trap drains to an overhead return line (Fig. B).
如果存在一个压力回路，或者疏水阀排放口位于回路管道的上方，则应该安装一个止回阀(图b)。
In electric railway track circuit, the two steel tracks are both transmission line of the track signal and return line for electric locomotive tractive current back to electric substation.
在电气化铁路轨道电路中，两条钢轨即是轨道信号的传输线，又是电力机车牵引电流返回变电所的回流线。
The pressurization of the servocontrol involves the opening of the pressure-line closing valve (2) and of the return-line closing valve (3).
进行压力伺服控制的正常过程包括，打开压力管路关闭活门和回油管路关闭活门。
The pressurization of the servocontrol involves the opening of the pressure-line closing valve (2) and of the return-line closing valve (3).
进行压力伺服控制的正常过程包括，打开压力管路关闭活门和回油管路关闭活门。
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