英语词汇“fixed signal”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉汉英翻译词典

单词	fixed signal
释义	DEFINITIVE EXAMPLES 权威例句〔block signal〕A fixed signal at the entrance to a railroad block, indicating whether or not trains may enter.火车行止信号：火车站入口处，指示火车是否可以进站的固定信号美国传统
随便看	unit amount unit amplification unit analysis unit and group bases of depreciation accounting unit anisotropy unit area unit area unit area acoustic impedance unit area impedance unit assembly unit assembly drawing unit automaticexchange unit automorphism unit backspace character unit bank unit banking system unit basis unit bearing stress unit bending moment unit bibliography unit bilinear form unit bit unit block unit body unit bore system

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