头上方向牵引 overhead traction 牵引力 tractive effort; tractive force; traction force; traction; pulling force ..
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universal overhead traction frame assembly 万能组合式牵引床
overhead traction wire [铁路] 架空牵引网导线
overhead traction distribution line [铁路] 架空牵引网配电线
Electric traction overhead contact lines 电气牵引架空接触线
electric traction overhead line 电力牵引架空线路
Electric traction overhead lines 电力牵引架空线路
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