The bottom of screen board is set with hole core, lifting hole and positioning hook. The hole core and screens board can form a whole.
下部设有孔芯，吊耳、定位钩、孔芯均与卡位板铸成一个整体。
The core is made up of matter that swirls closer to the black hole and approaches the speed of light, combining with tremendous magnetic fields in the process.
组成核心的物质呈涡旋状靠近黑洞，并在这一过程中与大量磁场结合，且其速度接近光速。
This image may support the idea that the fireworks come from a star that fell into a supermassive black hole at the core of the galaxy. a.
在伍斯利看来，这颗巨大恒星的核心塌缩形成了一个黑洞，恒星的外层用了几天时间坠入黑洞并发出辐射，这就是我们观测到的这次爆炸持续时间超长的原因。
Precision filter, namely core filter, can further remove the suspended solids and other impurity in the water, it is made of micro hole chinaware, micro hole non-toxin plastic and cell pipe core.
精密过滤器也称保安过滤器，能进一步去除水中悬浮颗粒及其它杂质，它采用微孔陶瓷、微孔无毒塑料、蜂房式管状滤芯。
The bit is usually a drag bit fitted with either PDC or natural diamond cutting structures, but the core bit is unusual in that it has a hole in its center.
钻头通常属于刮刀型，装备有PDC或者天然金刚石切削齿，但取芯钻头的特别之处在于钻头中心有一孔。
It consists of pneumatic piston actuator and the composition of O-type ball valve, valve core sphere using cylindrical hole.
它由气动活塞式执行机构和O型球阀组成，阀芯采用圆柱形通孔球体。
Bolt hole fitting plastic core industrial caster.
孔顶塑芯工业脚轮。
An introduction is made on the construction process of artificial hole pile including holing, wall protection, fabrication and installation of reinforcing cage, pile core concrete grouting etc.
介绍人工挖孔桩的成孔、护壁、钢筋笼制作和安装、桩芯混凝土浇灌等施工过程。
The core should be of such size that it can be moved up and down in the spool hole, yet will remain in any position.
核心应该是这样的规模，这是可以上下移动的阀芯孔，但将保留在任何位置。
Imaging of nearby galaxy M87's core reveals that the black hole residing there has either a nonexistent or much fainter ring of dust around it compared with other active galaxies.
M 87是邻近我们的一个星系。从照片上观察，位于它核心的黑洞，四周的微尘环要不就不存在，要不就是非常稀薄，这是与其他较为活跃的星系比较的结论。
The core can effectively avoid defects of vent by controlling quality of mold surface, and it can also be used in structure of castings which is like s hole as well as hole of intricate bore.
该型芯能用控制型芯表面质量的方式来避免铸件内孔中产生的系列疵病。
The zero sequence current transformer is full enclosed type. The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for cable going through.
本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。
Thereafter, the via hole is filled with a core layer, wherein the core layer extends from a bottom surface of the substrate to a top surface thereof.
之后，以核心层填充该介层洞，其中该核心层从该基材的下表面延伸到上表面。
O-ring of the spindle or core hole of body is damaged.
轴心使用O 环受损或主体心孔损伤。
In experiment, output modes of hundred-micron core diameter fiber laser are controled by the hole in the laser cavity, and the effects to beam quality are researched with holes of different diameters.
实验中，采用腔内小孔法对百微米芯径光纤激光器的输出激光模式进行控制，研究了不同孔径对输出激光光束质量的影响。
This core is the main part of the black hole where the mass is concentrated and appears purely black on all readings even. through the use of radiation detection devices.
内核是黑洞的主要部分，在这里物质被压缩，即使使用辐射探测仪，从所有的读数来看这里似乎都是漆黑一片。
Single cylinder core, can be installed into the mould directly, require smoothness at the connection with the cylinder, high requirement of the hole drilling, smaller volume.
单独气缸芯子，直接安装到模具里面，要求与气缸接触处光滑，开孔要求比较高，体积比较小。
Process of collecting chip sample returned from drill hole, the related equipment, formula of calculating average assay of core and chip, as well as representativeness of chip are discussed.
阐述了岩屑从钻孔排出的收集过程与有关设备，岩屑定量分析值的计算，并举例说明岩屑的代表性。
Still, some astronomers in the 1990s ventured that observations of the Milky Way's core might be possible, providing beyond doubts that a black hole exists there.
然而，九十年代有些天文学家大胆认为对银河系核心的观测是有可能的，只要那里黑洞的存在是毫无疑问的。
The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for busbar going through.
二次绕组及铁芯均浇注在聚脂树脂内，中间窗孔供一次母线穿过。
Through analyzing the hermetic core hole data in Lasaxing oilfield, water flushed zones has been figured out.
综合分析了喇萨杏油田密闭取芯井资料，搞清了分类油层的水洗状况；
The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.
单动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长，能有效地提高岩、矿芯的完整度。
Caption: a face-on snapshot of the small spiral galaxy NGC 7742, not just any old spiral galaxy but a Seyfert 2 - a galaxy that is probably powered by a black hole at its core.
描述：小螺旋星系ngc 7742正向快照，不只是古老的螺旋星系而是2型塞弗特星系——其动力可能由星系核心处的黑洞提供。
The specialty of the design is the flexible core-pulling structure that solved the difficult problem of unloading the screw thread and moulding the through hole at the same place.
其特别之处在于采用灵活的抽芯机构解决了在同一位置脱螺纹和成型碰穿孔的复杂问题。
The European Space Agency's orbiting XMM-Newton observatory studied the black hole in the core of an active galaxy known only as 1h0707-495.
欧洲空间局在轨运行的XMM-牛顿天文台对名为1h0707 - 495的活跃星系核心中的黑洞进行了研究。
Stellar motions in the core of the giant galaxy do indeed suggest that it may have experienced a black hole merger in the not-too-distant past, says Gebhardt.
格布哈特说，在这个巨大星系的中心，恒星的运动的确说明，在不太遥远的过去该星系有可能经历过一次吞并黑洞的事件。
A throttling valve core is axially provided with a small throttling hole and an adjusting hole for throttling.
节流阀芯轴向设有节流小孔和调整孔，用于节流。
In the Milky Way's center is a very bright core region centered on a large black hole.
在银河的中心是一个非常光明的核心区为中心的一个大黑洞。
In the Milky Way's center is a very bright core region centered on a large black hole.
在银河的中心是一个非常光明的核心区为中心的一个大黑洞。
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