Natural sands of all kinds, whether or not coloured, other than metal-bearing sands of Chapter 26.
各种天然砂，不论是否着色，但第二十六章的含金属矿砂除外。
The most common approach to extracting metal-bearing ore from a porphyry copper deposit is by open-pit mining, although such mines also typically include some underground activities.
从斑岩含铜矿床开采含金属的矿石，最主要的方式是露天开采，尽管这种矿床常会伴随一些地下的地质活动。
Miners must drop metal tokens bearing their identification Numbers into a wooden box decorated with the colors of the Hungarian flag before gathering in a wooden elevator to take them into the shaft.
在集中于木制的电梯进入传动轴之前，矿工们必须将包含他们身份证号码的金属令牌投到一个装饰着匈牙利国旗的木箱子里。
Metal-clad and bearing lethal new weapons, the Spaniards had journeyed to the northern Inca town of Cajamarca, where they took prisoner the Inca king, Atahuallpa.
西班牙人身着金属盔甲，手持犀利的新式武器来到印加北方的城镇卡嘉玛卡，俘虏了国王阿塔华帕，八个月后把他处决。
Bearing metal tin can up closed and reduce friction role.
轴承金属镀锡可起密合和减磨作用。
Only use completely sealed metal containers for intermediate bearing.
只能将完全密封的金属容器用于中间轴承。
The oil that is splashed around will circulate metal debris to the lubricated bearing surfaces.
许多四处飞溅的机油会将金属屑带进轴承表面。
The selection of the correct cutting speed has an important bearing on the economics of all metal cutting operations.
选择正确的切削速度对所有金属的切削操作有着重要的经济上的影响。
The selection of the correct cutting speed has an important bearing on the economics of all metal cutting operations.
正确的选择切削速度对所有金属的切割操作成本都有有很大的影响。
According to the present invention a ribbon is provided between an electrode and the metal bearing component.
根据本发明在电极和金属轴承件之间设有一条带。
The paper describes the feature, mechanism of formation, research methods and possible applications of jet halo of mobile heavy metal above oil bearing formation.
叙述了石油层上方重金属元素的射流晕分布特点、形成机制、研究方法及其可能的应用。
Later, pieces of metal, bearing values according to the rarity of the metal and the size of the pieces, or COINS were used.
后来，人们开始使用金属块或硬币，金属块上标有根据该金属的稀有程度和该金属块的大小而定的它的价值。
The first envelope comprises the load-bearing structure of metal beams and columns sitting on a concrete slab foundation.
正立面由位于一个混凝土板基础上的具有承重结构作用的金属梁和柱子组成。
The driving wheel and the driven wheel welding roller frame each have two wheels, the wheel of metal material, so it can greatly improve the bearing capacity of the welding roller frame.
焊接滚轮架的主动轮与从动轮上各有两只滚轮，选用金属材质的滚轮，这样就可以大大提高本焊接滚轮架的承载能力。
Arched-corrugated metal roof( ACMR) belongs to cold-bending thin wall steel structure, of which the stability is a key factor influencing its bearing capacity.
金属拱型波纹屋顶结构属于冷弯薄壁构件，稳定问题是影响其承载能力的关键因素。
Buried polyethylene pipeline usually have a deformation when bearing the weight of soil or vehicle due to its less rigidity compared with metal pipeline.
聚乙烯管材具有许多突出的优点，但这类管道与金属管道相比，其刚度普遍偏小，属于柔性管，在承受上部填土荷载及车辆荷载时，变形相对较大。
Pollution can lead to premature bearing damage, pollution, refers to dust, metal filings from entering bearings inside.
污染也会导致轴承过早损坏，污染是指有沙尘、金属屑等进入轴承内部。
Elasto metal plastic bearing pad is key part of large hydraulic turbine thrust bearing and its performance being better or worse directly influences the dynamic quality of whole system running.
弹性金属塑料轴瓦是大型水轮发电机推力轴承的关键性部件，其性能的好坏直接影响到整个系统运行的动态品质。
With excellent performances, the elastic metal-plastic pads are widely used in the thrust bearing of the water turbine generator sets.
弹性金属塑料瓦以其独特的性能，在水轮发电机组推力轴承上得到广泛应用。
Product for automobiles, tractors, aerospace, instrumentation, bearing tools, textile machinery, metal industries, by the majority of customers trust and praise.
产品适用于汽车、拖拉机、航空航天、仪表、轴承工具，纺机、五金等行业，深受广大客商的信赖与好评。
Applicable to vehicles bearing, metal instruments and a variety of machine parts of the long-term anti-rust.
适用于汽车轴瓦、金属器械及多种机器零件的长期防锈。
As for the limit bearing capacity formula of the concrete filled steel tube long column subjected to axial compress, we lead to the tangent modulus and the conception of metal material.
在推导钢管混凝土轴心受压长柱临界承载力公式时，论文利用材料的切线模量，分别推导了钢材和混凝土的切线模量公式。
The utility model discloses a forcing press combination bearing used on the forcing press crank connecting link of metal forming mechanical equipment.
本实用新型公开了一种锻压机械设备压力机曲柄连杆上使用的压力机组合轴承。
Our products are bonded abrasives and coated abrasives, which are applied in automobile, steel, bearing, board, metal etc industries.
经营产品有固结磨具、涂附磨具等，主要应用于汽车、钢铁、轴承、板材、金属等行业。
Arched corrugate metal roof is a new member of spatial thin-walled steel structures, its bearing capacity is mainly determined by its whole stability.
金属拱形波纹屋面是一种新型空间薄壁钢结构，其极限承载力主要由其整体稳定性所控制。
A friction-reducing bearing consisting essentially of a ring-shaped track containing freely revolving hard metal balls against which a rotating shaft or other part turns.
一种减少磨擦的轴承，主要由包括可自由旋转的硬金属珠的环状轨道构成，转动轴或其他部件因撞碰金属珠而转动。
The lighter the piston, the less the hearing load and the longer the bearing will last. Another way to lighten the piston is to make it of light metal.
活塞越轻，轴承的负荷越小，轴承的工作寿命就越长。还有一种可是活塞质量减小的方法，就是用轻金属制造活塞。
A multilayer sliding bearing includes a rigid metal backing (12) having a metal bearing liner (14) attached thereto.
一种多层滑动轴承，包括具有贴于其上的金属轴承衬垫(14)的刚性金属背衬(12)。
The differential hardness of the hard metal bearing surface to the soft metal bearing surface is preferably at least about 1.5, and is preferably less than about 3.
所述硬金属轴承表面相对于所述软金属轴承表面的硬度比优选为至少大约1.5，并且优选为小于大约3。
Based on the experiment and research, this paper presents the advantages of using PTFE soft belt bearing shell to substitute babbitt metal.
在实验研究基础上，提出了用PTFE(聚四氟乙烯)软带轴瓦替代巴氏合金轴瓦的问题。
应用推荐