1·The bookshelf is fastened to the wall.
这个书架被固定在墙壁上。
—— 《新英汉大辞典》
2·Then he fastened a small metallic ball on each end of the steel bar.
然后，在细钢棍的两端，各固定一个小的金属球。
3·The process channel is a tube construction with 18 heat-generating assemblies fastened in a frame.
整个反应通道是由18个发热组件固定在一个框架上而形成的管状结构。
4·IStream cars comprise a body of mechanically fastened panels made from recycled plastic bottles, around a lightweight composite chassis of thin-walled tubes.
iStream车体采用可回收塑料制造的机械固定板，地盘采用轻型的复合薄壁管。
5·Piers instructed me to be both patient and quite harsh: the branches that aren't fastened back need to be lopped off in order to concentrate all the energies into the others.
皮尔斯告诉我这项工作十分有难度，需要非常的毅力：我们必须剪除那些无法固定的枝条，才能把所有的力量集中到一起支撑剩下的枝条。