套管

  • na.casing; bushing; sleeve; casing pipe
  • 网络cannula; thimble; Tube

套管套管

套管

na.

1.drivepipe; annular tubes; branch pipe; casing pipe; sleeve; sleeving; canula; cannula; casing; cothead; spigot; nozzle; connection; bushing; casing (drill hole)

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