The volume of the sound _ (7) _ the exitspeed of the gas and content of the gas bubble.
放屁的音量取决于气体排出的速度和气泡的成分。
2
On the basis of the limited conditions, entry thickness, exit thickness, rolling speed, tension, rolling force and rolling torque, etc. are calculated.
根据极限条件，计算出入口厚度、出口厚度、轧制速度、张力、轧制力、轧制力矩等。
3
The slow speed allows passengers to enter and exit while the wheel stays in motion.