单词	swivel joint
释义	Swivel joint a joint, the two pieces composing which turn round, with respect to each other, on a longitudinal pin or axis, as in a chain, to prevent twisting. See also: Swivel swivel joint swivel joint [′swiv·əl ‚jȯint] (design engineering) A joint with a packed swivel that allows one part to move relative to the other. swing joint swing joint A type of joint used with threaded pipe which permits motion to occur when the pipes are heated or cooled, without bending of the pipes; esp. used in riser and radiator connections. ThesaurusSeeswivel
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