Which cast iron has flake graphite? ( )
A、nodularcastiron;
B、malleablecastiron;
C、graycastiron;
D、vermicularcastiron
发布时间:2024-09-21 17:16:35
A、nodularcastiron;
B、malleablecastiron;
C、graycastiron;
D、vermicularcastiron