two-stage electrical-precipitation
两个作用臂电桥 two-active-arm bridge 两级电除尘器 two-stage electrical-precipitation 两级对置的单作用活塞 two-stage single-acting opposed piston ..
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two-stage electrical-precipitation
两级electrical-precipitation
以上为机器翻译结果，长、整句建议使用 人工翻译 。