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[单选题]
ZYJ7及道岔转辙机检修调整遮断器、自动开闭器接点:动接点在静接点内的摆动量不大于()
A.2.5mm
B.3mm
C.3.5mm
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A.2.5mm
B.3mm
C.3.5mm
第3题
A.接点接触深度≥4mm
B.动接点在静接点内的摆动量≤3.5mm
C.动接点与接点座间隙≥3mm
D.动接点在静接点内旷动时,应保证接点接触深度≥2mm
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