... 倒炉下弯 turndown 倒流休风系统 back draught system 倒滤层 inverted choke; inverted filter; reversed filter ...
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back draught system
回吃水系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Marcus Plummer, from Cardiff, was one of the first to take advantage of this expertise back in 2001 when he called on Win to help develop his wooden floor draught excluder system - Stopgap.
BBC: NEWS | UK | Wales | Inventors reveal their new ideas
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