clincher

n.

敲弯钉头的工具，紧钳，夹子；

复数：clinchers

1. Hang in the clincher on the ceiling?
   挂在天花板上的夹子？
2. Move the conical flask and stop heating, then loosen the clincher.
   移走锥形瓶，停止加热，打开夹子。

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