When the vertical turret decline, due to friction hinder its decline, the screw on helical screw nut under the physiognomy contact screw nut in the space below.
当垂直刀架下降时，由于摩擦力阻碍其下降，使丝杆的上螺旋面螺母的下螺旋面相接触，丝杆螺母的间隙在下面。
Owing to space constraints, this paper introduced only NIRVANA injection screw air compressor characteristic.
由于篇幅的限制，本文仅介绍NIRVANA喷油螺杆空压机的特点。
Grinding head on, sliding imports of dual-use system linear guide, two-ball screw drive, to achieve the smooth running speed to eliminate mobile space (displacement).
磨头座、滑动系统采用进口的双直线导轨、双滚珠丝杆传动，以达到运行速度平稳、消除移动间隙(位移)。
Loosen the screw, will fuel refueling storage space added the brake fluid.
松开螺丝，将燃料换料的存储空间补充制动液。
In this paper we shall give the short transformation formulas by discussing transformation property of screw for space rotation, and also discuss transformation property for inversion.
本文通过螺旋对空间旋转的变换性质的讨论，给出了简洁的变换关系式。此外，还讨论了螺旋对空间反演的变换性质。这些对于螺旋场的研究都是有益的。
Objective To investigate the changes of soft and hard tissues after extraction space closure with micro-screw implant as orthodontic anchorage.
目的研究以微螺钉为支抗，用直丝弓矫治器滑动法关闭拔牙间隙后的软硬组织变化。
The back guy, the mooring rope, take the thing, to twist the screw even to turn around and so on the ground easy movement, appears in weightlessness outer space is slow and is slow.
拉线、系绳、取物、拧螺丝甚至转身等在地面轻而易举的动作，在失重的太空显得缓慢而迟钝。
Intraoperative posterior approach general spine pedicle screw-rod orthopaedics fixation system used and iliac bone block were implanted in space of posterior atlantal arch and axial vertebral plate.
术中应用经后路通用脊柱椎弓根钉棒矫形固定系统固定，同时在寰椎后弓和枢椎椎板间大量髂骨植骨融合。
Intraoperative posterior approach general spine pedicle screw-rod orthopaedics fixation system used and iliac bone block were implanted in space of posterior atlantal arch and axial vertebral plate.
术中应用经后路通用脊柱椎弓根钉棒矫形固定系统固定，同时在寰椎后弓和枢椎椎板间大量髂骨植骨融合。
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