The experiment methods of the bonding strength between deformed steel fiber and concrete was self-designed.

自行设计了异形钢纤维与混凝土粘结强度试验方法。

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The experiment methods of the bonding strength between deformed steel fiber and concrete was self-designed.

自行设计了异形钢纤维与混凝土粘结强度试验方法。

youdao