As the four streams collide they are forced into a third channel, forming layered droplets as they go.
当4个液体流碰撞时，他们进入第三个通道，在通过的过程中形成了多层水滴。
In the design of bending die, moving direction of working parts of die is forced by the mechanisms, such as wedge-slide, lever, rack gearing etc, so as to realize bending forming.
在弯曲模设计中，常用斜楔滑块、杠杆、齿轮齿条等机构来挟迫模具工作零件的运动方向，实现工件的弯曲成形。
Rapid Prototyping material in forming temperature can be parting, slowly forming materials should die with forced cooling and heating measures.
快速成形料在成形温度下即可脱模，慢速成形料模具应设有加热及强迫冷却措施。
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