双语例句
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To increase the selectivity we lade La ion on the catalyst carrier.
通过负载镧提高了催化剂的选择性；
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Meanwhile, it can be used as catalyst carrier, insulator and precision founding sand, etc.
还可用做触媒体，绝缘体以及精密铸造砂等。
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Porous material has long been used as insulator, structural material, catalyst carrier, absorbent etc.
多孔性材料广泛用于阻隔材料、结构材料、催化剂材料、分离与吸附等领域。
应用推荐
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