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单词	union fitting
释义	union fitting union elbow union elbow A pipe elbow, 1 having a union-type coupling on one end, so that the coupling end may be connected to the end of a pipe without turning the pipe.
随便看	croüton c-rp crp crp-1 crp1 crp1, 3 crp-2 crp2 crp-3 crp3 crpa crpac crpaqs crpash crpb crpbi crpc crpca crpcd crpcen crpcs crpd crpdc crpdg crpdod

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