Owing to the pump structure and side clearance between screw, it can transport non-lubricative medium.
由于这种泵的结构和螺杆间存在的侧间隙，它可以输送非润滑性介质。
Side view of wing screw with adjustable thread length.
螺纹长度可调整的翼形螺钉的侧面图。
Active outside the side out of the pump screw driven by a prime mover.
一端伸出泵外的主动螺杆由原动机驱动。
Side view of Roundhead screw with adjustable thread length.
螺纹长度可调整的圆头螺钉的侧面图。
The curved screw at the femoral calcar was found in the experimental side.
有一只山羊实验侧螺纹钉出现弯曲，为股骨距处螺钉。
Outward pull hydraulic jack from the side so that the screw from the inside.
向外拉液力端使螺丝从插孔内脱离。
Outward pull hydraulic jack from the side so that the screw from the inside.
向外拉液力端使螺丝从插孔内脱离。
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