中英▼

  • The scratch strength tester has been improved in the paper, which can measure the impact toughness and has two uses.

    对刮痕强度试验机进行适当的改进，就可测量芯砂的冲击韧性，并使一机两用。

    youdao

  • The scratch strength tester has been improved in the paper, which can measure the impact toughness and has two uses.

    对刮痕强度试验机进行适当的改进，就可测量芯砂的冲击韧性，并使一机两用。

    youdao

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