ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
In 51.42... The pressure bulb significant depth is 1.5 to 2 B ... Then in case of prototype and model we ll get the same results .... For prototype the pr bulb is 20 m which is lying on the first layer only . Can somebody clarify this ?
In 51.42... The pressure bulb significant depth is 1.5 to 2 B ... Then in case of prototype and model we ll get the same results .... For prototype the pr bulb is 20 m which is lying on the first layer only . Can somebody clarify this ?