...电弓；气动抬升力；交变压力[gap=1583]Key words: high-speed train; tunnel; pantograph; air lift force; alternating pressure...
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alternating pressure mattresses 气垫床褥
alternating pressure process 加压真空交替法
alternating pressure air mattress 变压气垫
alternating-pressure method 频压法
alternating pressure measurement 交变压力测量
alternating pressure air cushion 可变压力气垫
high-frequency alternating pressure 高频交变压力
high frequency alternating pressure 高频交变压力
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