它们由黄铜、钢或轻质合金制成，且通过滚子引导。
They are made from brass, steel or light alloy, and they are guided on the rollers.
轻质合金的高能密度焊接是当今世界焊接工艺研究的热点。
The high-energy density welding about lightweight alloy is the hotspot of world welding craft research.
可以在收货状态或热处理状态下对轻质合金薄板进行成形操作。
You can form light-alloy sheet in either its as received condition or heat treated condition.
机身为半硬壳结构，轻质合金的环形隔框和纵向长桁支撑并加强了主要机身蒙皮。
The fuselage is a semimonocoque structure, light alloy circular frames and longitudinal stringers support and strengthen the main fuselage skin.
本文介绍了金属锂的性质、市场行情、价格及其在高能电池、轻质合金以及核聚变反应等领域的应用。
The properties, market quotation, prices and the application in high capability cell, light alloy, and nuclear fusion are discussed.
由于车体使用坚固且轻质的碳纤维加固合金材料，因此该车比同类的铝材料设计约轻220磅。
The car is also made of strong yet lightweight carbon-fiber-reinforced polymer, which makes it about 220 pounds lighter than an equivalent aluminum design.
镁合金是最轻质的金属结构材料，是实现军事装备轻量化和提高军事装备各项性能的理想材料。
Magnesium alloys are the lightest structural metallic materials, which can be used to reduce the weight of military equipments and improve their performance.
该系列镁基块体非晶合金的优异性能使其在新型轻质结构材料等领域具有广阔的应用前景。
The serial Mg-based block amorphous alloy has wide application prospect in the fields of novel light structure materials, and the like by excellent performance.
本文就镁合金的超塑性进行了全面的阐述，同时也对将来轻质超塑性镁合金的制备方法进行了介绍。
In this paper, the super plasticity of magnesium alloy has been fully represented, and the preparation methods of magnesium alloy with super plasticity in the future have been also introduced.
镁合金是一种极具发展潜力的轻质结构材料，但镁合金的耐蚀、耐磨性较差成为阻碍镁合金推广应用的重要问题。
Magnesium alloys are promising structural materials because of their lightweight. However the wide application of magnesium alloys is limited due to inferior corrosion and wear resistance.
预计镁合金将成为21世纪最重要的商用轻质材料。
It suggested that the magnesium alloy would become the most important structural lightweight alloy commercialized in 21st century.
采用快速凝固技术制备的铝合金，具有优良的力学性能，可作为汽车的高性能轻质材料。
The aluminum alloy produced by means of quick solidifying technology possesses superior mechanical properties and may be employed as high quality light material for motor vehicles.
采用轻质高强铝合金材料设计舟桥的甲板时，其强度计算是初始设计者最为关心的问题之一。
In designing a pontoon deck system which is made of light-weight and high rigidity material, strength calculation is one of the most concerned problems for designers at the beginning stage.
精品钛合金货架由轻质高强钛合金制成，并模压成各种形状，使展示组合具有最大的灵活性。
The high-quality goods titanium alloy shelf is made of the light density titanium alloy. It is molded as many kinds of shapes to have the biggest flexibility.
镁及镁合金是一种极具发展潜力的轻质结构材料，但镁合金的耐蚀性较差，因此进行适当的表面处理以提高镁合金的耐蚀性能已成为目前研究的热点。
Magnesium and its alloys are promising structural materials because of their lightweight. However the wide application of magnesium alloys is limited due to inferior corrosion resistance.
镁及镁合金是一种极具发展潜力的轻质结构材料，但镁合金的耐蚀性较差，因此进行适当的表面处理以提高镁合金的耐蚀性能已成为目前研究的热点。
Magnesium and its alloys are promising structural materials because of their lightweight. However the wide application of magnesium alloys is limited due to inferior corrosion resistance.
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