直通单向阀 inline check valve ; straightway check valve ; straight check valve
窄带通单色仪 narrow-band pass monochromator
融通单据 accommodation bill
普通单间 Single Room
沃尔什双通单色器 Walsh double-pass monochromator
欧洲通货单位 European Currency Unit ; ECU
龙普通单 Luang Phor Thongdam Wat Tumtapiantong
磁通单位 maxwell
铬三通单把 chrome tee-joint single handle
普通单开道岔 common single turnout
K25JD-W系列是二位五通单电控管接截止式换向阀。
K25JD-W series is pipe fitting shut-off directional valves 5/2 way.
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.
单型盆地的原型可以划分为克拉通盆地、拉张盆地和挤压盆地。
The prototypes of the monotype basins can further be divided into craton basins, extensional basins and compressional basins.
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