03 中文名称: 铁路设施 悬挂部件 悬挂螺旋钢弹簧 英文名称: Railway applications - Suspension components - Helical suspension springs, steel 页数: 8 采用标准: DIN EN 13298 (2003-11), EQV*B..
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如果不正确,悬挂部件都错了,必须更换。
If incorrect, suspension parts are at fault and must be replaced.
所有这些意味着铝零件能够在汽车上代替更多钢铁零件,特别是那些强度十分重要的部件,例如汽车悬挂部件。
All these things mean aluminium could replace more steel parts in cars, especially where strength is important, as in suspension components.
上图中所示的天文钟和它年代相仿,悬挂在布拉格旧城区广场的市政大厅之上,其中一些部件距今也有601年的历史了。
The clock pictured above, of the same era, is mounted on Old Town City Hall wall in Prague's Old Town Square and has some parts that date from 1410.
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