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block instruments
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Subject
English
Chinese
tech.
block instrument
闭塞机
commun., railw.
block instrument
闭塞装置
tech.
block instrument
闭塞器
chem.
building
block instrument
组合式仪器系统
tech.
connecting circuit with
block instruments
半自动闭塞联系电路
tech.
instrument block valve
仪表截止阀
tech.
pedestal for
block instrument
闭塞器座
tech.
permissive token
block instrument
容许凭证闭塞机
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