Youtube上的频道如 PracticalMachinist


504,000 3.41%

416,000 1.79%

133,000 5.06%

270,000 4.27%


1,030,000 2.94%



49,100 3.26%

65,400 2.53%

42,400 2.29%


15,900 4.47%

34,200 3.15%

22,100 2.27%

726,000 2.06%

113,000 5.24%

50,300 2.82%


524,000 2.7%


874,000 2.32%