x No Plagiarism!rhszfzU1P1n23DDIdODbposted on PENANA 線積分8964 copyright protection393PENANAl36AEMjumH 維尼師說8964 copyright protection393PENANAZ8YMyll9Up 維尼反作用力8964 copyright protection393PENANAR7iEwAXkPH 維尼52.14.150.165ns52.14.150.165da2