钢背复合轴承用途广泛，市场前景非常广阔。
The steel-backed bearing has wide application and a very good market prospect.
1992年，特而途向欧洲市场推出了拥有多项专利的新概念防撞护栏：钢背木护栏。
In 1992, Tertu introduced on the European market a patented new concept of crash barrier: the Mixed Wood and Steel guardrail.
全铝结构天线与钢背架结构天线相比，具有天线转动惯量小、耐腐蚀能力强等优点，适合在恶劣条件下使用。
Compared with the steel backup structure, the aluminum structure has advantages of strong corrosion resistance capability and small inertia, is suitable for bad conditions.
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