英语词汇block signal box是什么意思，block signal box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	block signal box
释义	block signal box　闭塞信号楼, 线路所
随便看	singlet linkage singlet oxygen singlet positronium singlet scattering singlet state singlet-triplet transition singleton singleton singleton singleton cycle Singleton incision singleton interference singleton sequence singleton set singleton substitution singletons scirrhoma caminianorum scirrhophthalmia scirrhopthalmia scirrhosarca scirrhosity scirrhous scirrhous scirrhous cancer scirrhous carcinoma

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