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图9 不同工艺参数的样品压缩后的工程应力-应变曲线

Fig.9 Engineering stress-strain curve of A1 (a), engineering stress-strain curve of A2 (b), engineering stress-strain curve of A3 (c), engineering stress-strain curve of B1 (d), engineering stress-strain curve of B2 (e), engineering stress-strain curve of B3 (f), engineering stress-strain curve of C1 (g), engineering stress-strain curve of C2 (h) and engineering stress-strain curve of C3 (i)