1.0
سبلة عُمان
https://up.s-oman.net/
turb vs lam flow
https://up.s-oman.net/image/turb-vs-lam-flow.pkFYP
306
174
https://up.s-oman.net/images/2022/11/27/6d2109e37fbc9c8dfb61e7ea6dd721b6.png
photo
https://up.s-oman.net/images/2022/11/27/6d2109e37fbc9c8dfb61e7ea6dd721b6.png
306
174