Last Updated
：2025/12/04
Quizzes for review
The box or ring of metal connecting the contiguous ends of two lengths of shafts.
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coupling-box
Before the long-distance shipment, the engineer inspected the coupling-box to ensure the contiguous ends of the two shafts were securely connected.
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Before the long-distance shipment, the engineer inspected the coupling-box to ensure the contiguous ends of the two shafts were securely connected.
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