[音频]strong feeling of affection or loyalty for sb. or sth.
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[音频]belonging to a intended for one person rather than a group
[音频]make (sth.) a part of a group or of sth. larger
[音频]the system of buses, trains, etc. which people use to travel from place to place
所谓互换性,就是同一规格的零件制成后,在装配时应________________________,装成的机器应能满足_________________________。