cadmium copper造句
造句与例句手机版
- An example of a copper alloy conductor is cadmium copper wire, which is used for railroad electrification in North America.
- The contact wires are twin cadmium copper ones, twin wires being necessary because of the high installed power rating of the trams ( 1 megawatt ).
- It's difficult to see cadmium copper in a sentence. 用cadmium copper造句挺难的
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