铸铁含碳量为
A: 2.11%~4.3%
B: 4.3%~6.69%C
C: 2.11% ~6.69%
D: 0.77%~2.11%
E: 0.0218%~0.77%
A: 2.11%~4.3%
B: 4.3%~6.69%C
C: 2.11% ~6.69%
D: 0.77%~2.11%
E: 0.0218%~0.77%
举一反三
- 铸铁的含碳量为() A: 0.77%-2.11% B: 2.11%-6.69% C: 0.0218%-2.11% D: 2.11%-4.3%
- 铸铁含碳量为 A: 2.11%~4.3% B: 2.11% ~6.69% C: 4.3%~6.69%C D: 0.77%~2.11%
- 过共析钢的含碳量为()。 A: 0.77%~2.11% B: 2.11%~4.3% C: 2.11%~6.69% D: 4.3%~6.69%
- 钢的含碳量为 A: 0.0218%~2.11% B: 0.0218%~0.77% C: 0.77%~2.11% D: 2.11% -- 6.69%C
- 过共析钢的含碳量是( )。 A: 0.0218%-0.77% B: 0.0218%-2.11% C: 0.77%-2.11% D: 2.11%-6.69%