のようなYouTubeチャンネル Civil Engineering Power


23,200 3.28%

1,860,000 2.15%

782,000 3.77%


3,390,000 1.13%

20,400,000 2.43%

10,500,000 3.02%



212,000 5.1%

966,000 2.73%


568,000 1.96%

3,300,000 3.43%



72,900 3.92%



61,700 3.4%


760,000 1.68%

16,500 4.02%


39,200 4.04%