隔爆型开关具有结构紧凑、可靠性好、体积小、通断能力强、寿命长等优点；
The flame-proofing switch with tight structure, good reliable and small bulk has strong capacity for cutting out and in, and the long service life, etc;
隔爆型开关具有结构紧凑、可靠性好、体积小、通断能力强、寿命长等优点；
The flame-proofing switch with tight structure, good reliable and small bulk has strong capacity for cutting out and in, and the long service life, etc;
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