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screw compressor
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screw compressor
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screw compressor
螺杆压缩机
利用螺杆形转子在气缸内作回转运动来压缩和输送气体的回转压缩机。
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chief intelligence officer
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chief knowledge officer,CKO
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chief ray, principal ray
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Chiefs of Tribes in Northern Wei Dynasty
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Chieftain's Castle at Tangya
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Chifeng Museum
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chi-function
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