英语词汇light pen是什么意思，light pen的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	light pen
释义	DEFINITIVE EXAMPLES 权威例句The cashier uses a light pen to read the bar codes.收银员使用光笔阅读条形码。牛津商务
随便看	roundhead roundheaded roundheaded roundheads roundheads roundheel roundhouse roundhouse roundhouse roundhouse rounding rounding rounding rounding rounding analysis rounding error rounding error rounding knife rounding machine rounding method rounding number rounding off rounding off error rounding off method rounding procedure

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