名词
中文翻译：插头规
同义词：
['plug gauge', 'plug gauge tool']
例句：
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1.The engineer used a plug gauge to measure the tightness of the bolts.
工程师使用塞尺来测量螺栓的紧固程度。
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2.The technician was instructed to use the plug gauge to ensure proper fitment of the new parts.
技术人员被指示使用塞尺确保新部件的正确安装。
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3. During the installation process, the plumber used a plug gauge to check for any air leaks in the pipes.
在安装过程中，水管工使用塞尺检查管道中是否有空气泄漏。