resin self-hardening sand的意思|示意

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resin self-hardening sand相关短语

1、 phenolic resin self-hardening sand 酚醛树脂自硬砂

2、 alkaline phenolic resin self-hardening sand 碱性酚醛树脂自硬砂

3、 self-hardening resin sand 树脂自硬砂