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大家在查： JakartaTapestry longeing Anveena 金塞拉子型海斯·舒尔茨伯格科佐利诺克里斯蒂安·斯特 -lowseason25 翳风

wind amount

wind amount

wind amount

wind amount

1

the wind amount is heavy , obstruction is low , longe - lived

风量大阻力低寿命长。

2

Talking about effective wind amount measure and calculation

矿井有效风量测量与计算浅析

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