该圆周的圆心即定位的中心孔位置。
The center of circle is the position of the centre hole for positioning.
加工长轴外径时，需顶住中心孔；
The long axis diameter processing, need to resist center hole;
别针螺丝适合照相机板材的中心孔。
带中心孔的无间隙扇形分隔进口设计；
照射头部是一带有中心孔的永磁体凹形圆盘；
The head is a concave dish of permanent magnet with a hole in the center.
建立了有中心孔的转子热应力解析递推计算法。
An analytical recurrence method was developed for calculating the thermal stresses in steam turbine rotor with a central hole.
链轮、连接套和旋转板的中心孔依次安装于轴上。
The sprocket gear and the rotary plate are respectively fixed on both ends of the connecting sleeve.
中心孔会内务中心指导管，您也可以看到，在背景中。
The center hole will house the center guide tube that you can also see in the background.
首先，我钻出中心孔在这两个板块在以指数他们在一起。
I first drilled the center hole in both plates in order to index them together.
该仪器两端设计有可调心式中心孔，安装测量迅速方便。
The instrument are designed with adjustable center holes at both ends that make its fitting and measuring rapidly and easy.
转子导磁铁心为带有中心孔的圆柱或一削去两边的圆柱，套装在转子轴上。
Rotor guide magnet heart is a cylinder with centre hole or a cylinder scraping both sides, and is mounted on rotor shaft.
如加工轴类工件时，总是先加工中心孔，再以中心孔为基准加工外圆表面。
When machining shaft parts, always machining center hole, and then to the center of the center hole for the processing of the outer surface.
独特的中心孔工程，玻璃夹，捕捉任何泄漏，因此，防止那些笨拙的尴尬。
The unique centre hole works as a glass holder, catching any spills and therefore preventing embarrassment for those clumsy days.
用机器钻出安装指针的中心孔及导向孔，以确保铜条在冲切工序固定位置。
The machine drills the "center holes" for the hands as well as the "pilot holes" which will guarantee the positioning of the strip during blanking operations.
该复合式墨斗线轮由辐板、中心孔、筋板、柱条、条孔、柱条加强筋构成。
The composite ink fountain thread wheel takes a combination of a pole strip type wire wheel and a reinforced plate type wire wheel.
撑衣框的一边通过圆柱螺旋扭转弹簧的中心孔贯穿在大、小弧夹片的通孔中。
One side of the clothes-supporting frame passes through the centre hole of the cylindrical helical torsion spring to permeate in the through holes of the big arc clip and the small arc clip.
固定螺钉完全旋入螺杆中心孔后，固定螺钉的上端面低于固定套管的上端面。
After the fixing bolt is completely screwed in the central hole of the screw, the upper end-face of the fixing bolt is lower than the upper end-face of the fixing sleeve pipe.
从分析转子中心孔的由来及中心孔的缺点，阐述了无中心孔的必要性和优越性。
In this paper, it is discussed that non-central hole rotors essentialness and its advantage through studying the reason of adopting central hole rotor and its disadvantage.
管状或中空管状的中心孔从地表到深石岩石层放满石头，以作为铁转的探头，作用类似今天的导管。
They stacked rocks with center holes (tube or doughnut shaped) from the surface to the deep stone layer as a guide for their drills (similar to today's guide tubes).
该顶尖刚性强、定位精度高，能补偿由于被加工轴的中心孔误差所引起的轴向尺寸误差。
It has strong rigidity and high locating accuracy, simultaneously, it can compensate the axial size error accused by the centre hole size of the shaft.
针对中心孔质量对零件加工质量的影响进行了分析，提出了几种保证中心孔质量的方法。
Some methods are put forward to assure the quality of center hole through the analysis of center hole's effect on finishing quality.
本实用新型公开了一种尾端带中心孔的克氏针，属于外科医疗器械，特别是骨钻的附件。
The utility model discloses a Kirschner pin with a central hole on the tail end, belonging to a surgery medical device, in particular to a fitting for a bone drill.
多个轴承位于该扭力杆第一端与该平衡轴中心孔之间，将该扭力杆置于该平衡轴的中心。
Bearings are located between the first end of the torsion bar and the center bore of the balance shaft, to center the torsion bar within the balance shaft.
该扭力杆有用于连接该主动链轮的一个第一端以及附着在中心孔的内部末端的一个第二端。
The torsion bar has a first end for connection to the drive sprocket and a second end fixedly attached to the inner end of the center bore.
采用光滑圆棒和中心孔板片试样，对GH901合金室温高低周复合疲劳进行了系统的研究。
The fatigue behaviours of Superalloy GH901 under major combined with minor cycle have been systematically studied at room temperature using smooth specimen and sheet with center hole.
齿轮泵的磨损部位主要有主动轴与衬套、被动齿轮中心孔与轴销、泵壳内腔与齿轮、齿轮端面与泵盖等。
Pump wear parts are mainly drive shaft and bushing, passive gear center hole and shaft pin, pump shell lumen and gear, gear face and pump cover, etc.
并详细讨论钻中心孔机的工作原理和机械结构的设计，采用本设备企业可以降低生产成本及提高生产效率。
Because of the use of this equipment, enterprises can reduce the production costs and raise the production efficiency.
介绍在硬齿面直齿锥齿轮刮削加工中研中心孔磨内孔的技术要求；机床调整，切削速度，刮削量及次数的选择。
The introduction is the strong and straight cone the wheel gear pare away to process the inside, whetting center the bore, whetting the inside bore in the strong wheel gear.
介绍在硬齿面直齿锥齿轮刮削加工中研中心孔磨内孔的技术要求；机床调整，切削速度，刮削量及次数的选择。
The introduction is the strong and straight cone the wheel gear pare away to process the inside, whetting center the bore, whetting the inside bore in the strong wheel gear.
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