您要查找的是不是：
- Seamless or longitudinally welded stainless steel tubes for exchangers in aircraft construction. 航空设备热交换器用不锈钢无缝管或纵向焊接钢。
- The aircraft was flying above thick fog. 飞机在浓雾上空飞行。
- A new upsurge in construction is in the making. 一个建设的新高潮正在兴起。
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- He assembled the model aircraft bit by bit. 他一块一块地装配飞机模型。
- The design and construction of aircraft. 飞行学飞机的设计及制造
- Enemy aircraft dropped bombs on the city. 敌机向这个城市投掷炸弹。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- There's not much leg-room in these aircraft. 这些飞机的坐位没有什麽伸腿的空间。
- Artillery and aircraft were involved in the action. 在这次战斗中，使用了大炮和飞机。
- He sat at the controls of the aircraft. 他坐在飞机的操纵装置前。
- The aircraft company deals with freight only. 这家航空公司只经营货运业务。
- All aircraft must fuel before flight. 所有飞机飞行前都必须加油。
- The new aircraft is undergoing safety tests. 这种新飞机正在接受安全性能检验。
- Can you cost out this construction work? 你能估计这项工程的成本吗？
- The house/highway is in course of construction. 该房子／公路正在施工中。
- Construction is a major industry here. 建筑业是此地的主要工业。
- The missiles were shot at the aircraft from a ship. 从军舰上向飞机发射导弹。
- The wings of the aircraft had iced up. 机翼上结了一层冰。
- There are two new houses under construction. 有两座新房子正在修建。
