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signal box ['sɪgn(ə)lbɔks]
commun., railw. 信号楼
met. 信号箱
tech. 信号所; 信号室【铁】; 信号楼【铁】; 信号房; 号志房
transp. 信号箱〔室,房,所,塔〕
signal box
: 25 phrases in 5 subjects
Electronics14
Metallurgy3
Nautical1
Space2
Technology5