قنوات يوتيوب مثل Bentley OpenFlows for Water Infrastructure


3,390,000 1.13%

10,500,000 3.02%

141,000 2.08%


3,210,000 2.78%


69,700 1.95%

760,000 1.68%

247,000 2.23%


181,000 2.06%

198,000 1.97%


247,000 1.43%

736,000 2.85%

835,000 2.77%

4,070,000 2.84%