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适用于 联想 IBM T431S L440 W540 W541 X240A L540 T540P硬盘架 固定托架 硬盘支架
联想IBM T440 T440P T440S T450 T450S X230S X240 X250硬盘架T431S L440 W540 W541 X240A L540 T540P固定架
联想T431S L440 L540 T540P W540 W541 X240A硬盘架T440托架T440P
T431SL440L540T540PW540W541
原装正品扩展坞底座ThinkPadDP口