该装置包括尺寸设计成伸入管状构件的柱塞。
The device includes a plunger sized to extend into the barrel member.
此时需要设置抵抗膜面内力的构件，该构件可以是管状的金属构架，也可是薄膜气肋，即：内充高压气体而具有一定抗弯刚度的管状。
At this point, it is necessary to set up the component to resist the internal force of the film surface, which can be a tubular metal frame, but also a thin film gas rib.
另外，该装置包括管状通道，其贯穿所述细长构件，所述管状通道与所述端部执行器流体连通。
In addition, the device includes a tubular channel running through the elongated member which is in fluid communication with the end effector.
在摩托车车架等构件中，立体转角管状零件各圆弧均不共面，在普通弯管机上没有空间转角功能；
The arcs of tubular parts with stereo turning angles are not coplanar. Ordinary bending machine can not bend a space turning angle.
在摩托车车架等构件中，立体转角管状零件各圆弧均不共面，在普通弯管机上没有空间转角功能；
The arcs of tubular parts with stereo turning angles are not coplanar. Ordinary bending machine can not bend a space turning angle.
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