Pig iron, wrought iron, and steel contain iron carbides made up of ______ of car

游客2025-02-09 21

问题 Pig iron, wrought iron, and steel contain iron carbides made up of ______ of carbon.

选项 A、amounts are different
B、different amounts that
C、different amounts
D、which amounts are different

答案 C

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3949878.html

相关试题推荐

随机试题

最新回复(0)

Pigiron,wroughtiron,andsteelcontainironcarbidesmadeupof______ofcar