混凝土空心墙板
Concrete hollow wall panels
以上为机器翻译结果,长、整句建议使用 人工翻译 。
混凝土防火空心隔墙板条,其特征是隔墙条板中添加耐火填料。
The invention relates to a fireproof concrete hollow partition lath which is characterized in that fireproof packing is added in the partition lath.
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