fan-stoppage breaker
... 甲烷断电仪methane breaker 风电闭锁装置interlocked circuit breaker 甲烷风电闭锁装皿methane interlocked circuit breaker ...
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风电闭锁装置
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甲烷风电闭锁装置 methane interlocked circuit breaker
风电甲烷闭锁装置 fan-stoppage methane-monitor breaker
针对煤矿井下局部通风机风电闭锁装置受距离影响的问题，提出三种设计思路。
In view of the problem that the interlocked circuit-breaker of underground local fan is influenced by the distance, the paper puts forward three kinds of design thought.
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