异径管接头 reducing coupling ; reducing socket ; reducing piece ; reducing pipe
黄铜异径接管器 Reducing unions Brass flared
套管异径接头 casing adapter ; casing sub ; casing substitute ; casing substitution
偏心异径管接 eccentric reducing coupling ; eccentric reducer
外螺纹异径管接头 male adaptor ring
套管[异径]接头 casing ; adapter
异径管接头、大小头 increaser
品名异径T形接管 PUTD
品名异径Y形接管 PUYD
然后结合管道理论研究得出了带有弯曲管路、异径串联连接管路的蓄能器数学模型。
Then combined pipe-line theory, the accumulator's integrated mathematical model with incurvate and strange diameter series connection pipeline is built.
开关可以安装在异径三通管，标准三通管或焊接管件上。
Flow switch can be installed in a reducing tee, standard tee or welded fitting.
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