单词	union bend
释义	union bend 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	revolving loan funds revolving-loan funds revolving loan program revolving loans revolving shelf revolving shovel revolving stage revolving storm revolving underwriting facility revonal revote revp revpac revpag revpar revpor rev proc revproc revr rev rec rev rul rev. rul. revrul revs revs it up

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