【计】 concatenating file; connecting file; linked file; threaded file
connect; join; joint; juncture; link
【计】 bussing; catenation; connection; interfacing; join; linkage; linking
【化】 connection
【医】 connection; couple; coupling; union
【经】 link
document; documentation; file; paper; writ
【计】 file
【医】 document
【经】 documents; file; instrument