词汇	joint beam
释义	joint beam 连梁
随便看	annular contact ball bearing annular contact thrust ball bearing annular cooler annular core annular core pulse reactor annular coring annular coring tool annular corneal dystrophy annular counter annular cover annular cowling annular crack annular crucible annular curved eccentric pipe annular cutter Annular cutters Annular cutters,Rail cutters,Auger bits Annular cutters, Rail cutters, Auger bits annular cutting annular cutting by thin-wall bit annular cuttings annular cylinder Annular-cylinder annular damage pattern annular damping vessel