求翻译：BV1-12断路器的灭弧室和操动机构采用前后布置方式（图2），三相主导电回路采用固封极柱。采用固封极柱，不仅简化了装配工艺，提高了产品质量，而且收外界恶劣环境和外部机械力的影响小，并减少断路器整体尺寸，操动机构布置在固封极柱后的机箱内，与真空灭弧室连接。是什么意思？

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circuit breakers BV 1 -12 interrupters interactive agencies and conduct before and after use, Layout mode (Figure 2) with 3 leading electric circuit using fixed cover very Martin. Using fixed covers very Martin, not only simplifies the assembling process, and improve the quality of their products, b

Around the BV1-12 circuit breaker explosion chamber and holds the drive mechanism to use arranges the way (Figure 2), the three-phase host electric conduction return route uses the seal terminal post.Uses the seal terminal post, not only simplified the assembly craft, improved the product quality, m

Interrupter and BV1-12 circuit breaker operating mechanism used before and after arrangement (Figure 2), three-phase main circuit using solid poles. With fixed poles, not only simplifies the Assembly process, improve the quality of the product, and received outside the harsh environment and the impa

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