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- Aiming at the bimetallic conductor rail made by steel and aluminum, vacuum warm compaction technique was adopted to fabricate steel-aluminum（0Cr18Ni9Ti /LY12）composite. 以钢/铝复合导电轨为背景，采用真空热压扩散的方法，制备出了钢/铝（0Cr18Ni9Ti /LY12）双金属复合材料。
- The Conductor Rail System of Wuhan Rail Transport 武汉市轨道交通的接触轨系统
- composite conductor rail of steel and aluminum 钢铝复合轨
- aluminum-stainless steel composite conductor rail 钢铝复合式第三轨
- Trains can be held up by frozen points,the icing of electice conductor rails,and fog,so warnings are provided by weathermen in time for precautionary measures to be taken. 结冰的道岔、用作导电体的铁轨上出现的冰冻、雾等都会使火车停驶，于是气象员及时提供警报以供人们采取预防的措施。
- Trains can be held up by frozen points, the icing of electice conductor rails, and fog, so warnings are provided by weathermen in time for precautionary measures to be taken. 结冰的道岔、用作导电体的铁轨上出现的冰冻、雾等都会使火车停驶，于是气象员及时提供警报以供人们采取预防的措施。
- New Technologies of Steel Aluminum Composite Conductor Rail 钢铝复合导电轨制造技术的探讨
- His reading achievement is depressed. 他的阅读能力低于一般水平。
- Composite technology and die design for steel-aluminum conductor rail 不锈钢-铝接触轨复合工艺及模具设计
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- He gets cheerful and depressed by turns. 他的情绪高一阵低一阵。
- The chief conductor turned out to be a young woman. 列车长原来是一位青年妇女。
- It's cheaper to ship goods by road than by rail. 公路运输比铁路运输便宜。
- We were all depressed by the dismal weather. 阴沉的天气让我们都感到压抑。
- The Layout and Calculation of Expansion Joint of Steel- aluminum Conductor Rail 钢铝复合接触轨膨胀接头的设置及计算
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- That iron is a good conductor is known to us all. 铁是良导体这是我们大家都知道的。
- The market is rather depressed at the moment. 目前的市场相当萧条。
- Depress the space bar on a typewriter. 按下打字机上的空格键
- The conductor punched his bus ticket. 售票员用剪票夹在他的汽车票上打孔。
