ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
Why is the concrete so dry ?
They are slip-forming it, so has to be a dry mix so it will retain the shape without formwork.
Why is the concrete so dry ?
They are slip-forming it, so has to be a dry mix so it will retain the shape without formwork.