所述柱塞沿其长度形成螺旋槽,并且转换器将所述手柄的旋转转化为所述柱塞的线性移动,由此使所述柱塞在所述管道内前进。
The plunger is helically grooved along its length and a converter translates rotation of the handle into linear motion of the plunger, thereby advancing the plunger within the tube.
所述柱塞沿其长度形成螺旋槽,并且转换器将所述手柄的旋转转化为所述柱塞的线性移动,由此使所述柱塞在所述管道内前进。
The plunger is helically grooved along its length and a converter translates rotation of the handle into linear motion of the plunger, thereby advancing the plunger within the tube.
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