有文化 共振頻率是物理課上教的
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• 可至少也得判斷出是共振才行 -片仔癀- ♂ (14 bytes) () 02/26/2009 postreply 02:24:04
• 可至少也得判斷出是共振才行 -片仔癀- ♂ (14 bytes) () 02/26/2009 postreply 02:24:04
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