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| 叶轮式鼓风机 | |||
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| 叶式风扇 | |||
| 桨叶轮风机; 径向直叶风扇风机 | |||
| 叶轮式通风机; 叶片式通风机叶轮式通风机 | |||
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лопастной вентилятор : 3 phrases in 1 subject |
| Technology | 3 |
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