coupling pin

名词 n.
中文释义

英文释义

名词 n.
  1. Any pin used to form a connection between two mechanical or structural components.; A pin used to connect train cars or a trailer to a towing vehicle.
    — He would tell them about the cablegram when they were all on board the train. Then he ran out upon the platform just as the engine whistled twice in the final warning that precedes the first rumbling jerk of coupling pins.
  2. Any pin used to form a connection between two mechanical or structural components.; A pin for joining scaffolding frames or pipes.

词形变化

coupling pins plural
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