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单词	jumpover
释义	jumpover jumpover junction box See return offset. return offset, jumpover return offset In plumbing, a double offset, 3 installed in a pipeline to pass around an obstruction.
随便看	rnbp rnbr rnbs rnbt rn,c rnc rnca rncan rncb rncc rnccm rncd rncf rncg rnch rnci rn cine rncl rncm rncn rncnirp rncom rncon rncp rn&cr

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