dam core的意思|示意

美 / dæm kɔ: / 英 / dæm kɔr /

坝的心墙

Qualified dam core impervious material is produced by controlling four key procedures during material mixing.

大坝心墙防渗掺合料的生产质量是狮泉河水电站大坝质量控制的关键.

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