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block system

['blɔk'sɪstɪm]
agric., construct. sistema de distribuição de água block system
block signalling system ['blɔk'sɪstɪm]
railw., sec.sys. sistema de cantonamento; sistema de bloco
block system
: 11 phrases in 6 subjects
Chemistry1
Communications4
Finances1
Information technology1
Mechanic engineering1
Transport3

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