防爆开关;
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;
mineral product flame - proof switch promotion structure research
矿用隔爆开关提升结构研究
Modification on free-stroke switch of flame cutter
火焰切割机无行程开关的改造
design on high flame proof switch protection system base on dsp and micro controller double cpu structure
基于DSP和单片机双CPU结构的高爆开关保护系统的设计
with secure shell and internal element adopting flame-proof switch.
增安型外壳,内部元件采用隔爆型开关。
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