为探索利用砒砂岩作为筑坝材料的施工方法，黄河水利委员会绥德水土保持科学试验站于1997年进行了试验研究。

Suide Soil and Water Conservation Experimental Station of YRCC conducted tests and study on probing and using the construction method of feldspathic sandstone as dam building material in 1997.

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为此，长江水利委员会进行了专项研究。

For this reason, CWRC went through this study.

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为此，长江水利委员会进行了专项研究。

For this reason, CWRC went through this study.

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