As a result, the unit continued to be defined in explicit reference to a unique platinum-iridium ingot until 1960.
结果,直到1960年,这个计量单位都用一只独一无二的铂铱锭来标示。
Entirely clad with an iridescent metallic skin, the building changes colour with the light and, as a whole, greatly resembles a large ingot.
大楼用闪光的金属表层完全包覆,随着光线变幻色彩,整体很像一个大铸块。
On the contrary, the surface imperfections, such as oscillation and subsurface segregation etc, found in DCC ingot, cause the mechanical properties drop largely.
相反,普通连续铸造锭表面因存在振动痕和亚表面偏析等铸造缺陷,力学性能大大降低。
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