If a coil has no metal core it has an air core.
如果线圈没有金属芯子，它就有一个空气芯子。
Just name a few: metal core, industrial metal, classic rock and melodic death metal.
我说一些吧：硬核金属、工业金属、经典摇滚、旋律死亡金属。
A method for forming the leading edge portion using refractory metal core technology is described.
对使用耐热金属芯工艺制出该翼面部的方法予以说明。
Earth's current oceans, for instance, make up just.02 percent of the planet's mass, excluding its metal core.
例如，目前地球的海洋，只占这颗行星的质量百分之。02，还排除它金属芯的质量。
Effective measure solving the problem on decrease of rope is to use the steel wire rope with metal core.
解决钢丝绳直径减小的有效措施是使用钢芯钢丝绳。
Orb Optronix offers a variety of standard mount 1" metal core printed circuit boards for many popular high brightness LEDs on the market."
我们公司生产各种标准的LED电路板，用于市场上许多高亮度LED设备中。
Compared with the metal core, FRP does not affect the optical transmission indicators caused by the gases produced by chemical reactions of metal and the ointments;
与金属芯相比，FRP不会产生因金属与油膏化学反应产生的气体而影响光纤传输指标；
The surface wave of wire rope and the metal core of rope to be free to other place is due to molding rate too high, bigger fluctuation, uneven strand tension forces and cl…
钢丝绳表面浪形和金属绳芯外逃是由于成型率过高、波动偏大，各股捻制张力不均匀和顺向捻制不到位。
A titanic impact could have stripped away a portion of its rocky mantle, leaving behind a metallic core whose density is out of proportion with the original ratio of rock to metal.
超大碰撞可能剥去了水星的一部分岩石地幔，留下了一个金属核心，其密度与原来的岩石与金属的比例相比大得不成比例。
This could mean there are strange, lopsided internal dynamics occurring in the churning liquid metal in the core.
这可能意味着在核心内液态金属的搅动下有一些奇怪的、不平衡的动力出现。
It was possible the rods' metal cladding had melted, exposing the radioactive core, a spokesman said.
一位发言人声称燃料棒的金属镀层可能已经溶毁，暴露出放射性核芯。
‘For example, we can put something such as sodium in the core, mixing with a transition metal and then coated with a protective outer layer. I don’t think you could make these by any other means.
例如，我们可以将钠与一种过渡金属作为内核，并在外面包裹一层保护层。
Machine, fit and assemble castings and other parts to make precision models of required shape such as metal patterns, core boxes and match plates.
用机器制造，安装和装配铸件和其他零部件，用以制作所需形状的精密模型，如金属图案，芯盒和匹配板。
In forming metal crystal and can be divided into performed at the same time two process: crystal core (forms) the generation and growth process.
在形成金属晶体时又可分为同时进行的两个过程：结晶核心(晶核)的生成和成长过程。
The experimental results show that all the aluminum honeycomb core, metal rubber annulus and magnetic damping of eddy current can be used as damping materials or modes of the lunar lander.
试验结果表明铝蜂窝圆芯、金属橡胶圆环及涡流磁阻尼都可以用作月球着陆器的阻尼材料或阻尼方式使用。
Without the filter core damage filter with large amounts of the impurities metal particles into the host, and lead to host oil damage.
滤芯破损后未经过滤的含大量金属颗粒杂质的油进入主机，导致主机损坏。
The size and geometric parameters of the rolling sections for the main body metal structure of the extracting core machine are selected according to the calculated results.
最后根据程序计算结果，选取了换热器抽芯机主体金属结构的型钢规格和几何参数。
As the interface follows the solidification front of the shell metal, the areas of soft core metal showing at the barrel surface, will be patchy and not continuous.
由于结合层往往是沿着外层金属的凝固线所形成的，因此在辊身表面所呈现的此类缺陷是不连续，不规则的。
Metal skin-Al-foam core sandwich panels have unique characteristics such as light weight, high stiffness and well damping properties.
由泡沫铝芯材与金属面板构成的夹心结构具有轻质、高强度、良好的减震性等优点。
Core products related to automotive after market products, daily chemical aerosol spray, infrastructure construction metal structure anti-corrosion coatings and other three areas.
核心产品涉及汽车后市场用品，日化气雾剂喷漆，基础建设金属结构防腐涂料等三大领域。
The main body metal structure of extracting core machine for heat exchanger is the key component of high altitude working vehicle of the driving heat exchanger's extracting core.
换热器抽芯机主体金属结构是行车式换热器抽芯高空作业车的关键构件。
The electromagnetic force acted on the molten metal is the core of electromagnetic theory applied in materials machining.
电磁场理论应用于材料加工过程的核心，是电磁力对液态金属的作用。
This metal complex's core element is ruthenium.
这金属配合物的核心要素是钌。
Based upon core competence, this paper analyses the developing trend and restricting factors in metal cutting machine industry.
在正确理解核心竞争力含义的基础上，分析了金属切削机床行业的发展趋势和制约因素。
The metal structure is important part and key of designing and producing the heat exchanger's extracting core machines.
换热器抽芯机主体金属结构是换热器抽芯机最重要组成部分，也是换热器抽芯机设计与制造的关键。
The core business of HKS is the recycling of ferrous and non-ferrous scrap to create high grade raw materials for metal producers all over the world.
HKS的核心业务是有色金属和非有色金属废料的回收，世界各地的金属生产商创造高档原料。
The laser beam melts a portion of the steel core and the segment backing metal, forming a weld.
激光光束熔体部分钢铁核心和后盾金属部分，形成焊缝。
Objective To repair residual crowns and roots of anterior teeth with casting post core with metal porcelain crown.
目的探讨利用铸造核桩加金属烤瓷全冠来修复前牙残冠、残根的优点。
Objective To repair residual crowns and roots of anterior teeth with casting post core with metal porcelain crown.
目的探讨利用铸造核桩加金属烤瓷全冠来修复前牙残冠、残根的优点。
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