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air compression unit /ˈeə kəmpɹˈɛʃən ˈjuːnɪt/ n

中文：空气压缩机组

中文 · 空气压缩机组Español · compresor de aireFrançais · bloc pneumatique
Meaning：System producing compressed air for operating various pneumatic devices, such as the suspension and brakes.
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High-speed train

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