Youtube上的频道如 Extra Technology



711,000 5.4%

819,000 3.12%




256,000 2.87%

303,000 4.43%





53,500 2.94%


36,200 4.77%



299,000 2.43%

126,000 4.44%

3,390,000 1.13%

524,000 2.7%

254,000 1.63%

181,000 5.37%

1,860,000 2.15%

248,000 1.65%