... 准心环 centering ring 中心固定螺旋 centering screw 中心固定杆 centering tightening attachment ...
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... 中心印记 center ticks 中心固定螺旋 center tightening screw 中心重合法 center to center method ...
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... 圆柱中心投影 central cylindrical projection 中心固定螺旋 central damping screw 中心力,重力测量 central definition ...
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目的探讨螺旋缠绕法固定中心静脉导管在临床中的应用。
Objective To study the application of spiral fixation for central venous catheter in clinical nursing.
螺旋星系中的轨道速度并不会随著离开星系中心的距离增加而不停降低,它会平缓下来成为一固定值。
Orbital velocities in spiral galaxies, instead of declining with increasing distance from the galactic center, flatten out to a constant value, as predicted by MOND.
螺旋叶片固定在中心轴上形成一个整体置于螺旋锁风阀体的中间并与螺旋锁风阀体焊牢。
The spiral vane is fixed on the central shaft, forming a whole body which is disposed at the middle of the spiral air locking valve body and is firmly welded with the spiral air locking valve body.
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