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上管機裝備：上管機在一步法裝備中首要起到上管的感化，機組運轉時經由進程變頻調速，能夠完成多段速運轉，疾速追管，與撥管器配套利用能夠完成疾速上管。

 Pipe loading machine: the pipe loading machine mainly plays the role of pipe loading in the one-step production line. When the unit is running, it can realize multi-stage speed operation and fast pipe tracking through frequency conversion and speed regulation. It can realize fast pipe loading when used together with the pipe s