Doped or alloyed 复合材料和合金
(used of metals) consisting of or alloyed with inferior metal.
(用于金属)由次金属组成或合成的。
(used of metals) consisting of or alloyed with inferior metal.
金属合金的表面或外层。
The block is cast in one piece from gray iron or iron alloyed with other metals, such as nickel or chromium. Some blocks are cast from aluminum.
缸体是由灰铸铁或含有镍或铬的合金铸铁整体铸造而成的。有的缸体由铝浇铸而成。
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