| 单词 | snap-action |
| 释义 | snap-actionadjective 1Denoting a switch or relay that makes and breaks contact rapidly, whatever the speed of the activating mechanism.When the gate switches between its two states, it does so abruptly, like a snap-action light switch....
2Denoting a gun whose hinged barrel is secured by a spring catch.The ejector is operated by the rotation of the joint-check, and allows the shells to be pressed clean home, if preferred. These guns, I understand, will be on the market in a short time, and I believe today no stronger fastening can be made on any snap-action gun. |
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