유튜브 채널 좋아요 ペンギンの機械工学講座



324,000 1.94%


3,390,000 1.13%

181,000 5.37%


256,000 2.87%

11,200 1.46%




210,000 1.15%





50,300 1.38%

1,860,000 2.15%

248,000 1.65%

416,000 4.69%

835,000 2.77%

819,000 3.12%