但布置在地面上的明式月牙肋钢岔管尚不多见，特别是当钢岔管承受的水头和直径较大时。

However, it is very unpopular for this kind of bifurcation to be laid above the ground surface, especially in the case of large diameter and high water head.

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云贵响水电站岔管是目前国内自行制作的规模最大的月牙肋明式钢岔管之一。

The branch penstock of Xiangshui Hydropower Station is one of the largest explicit ones with ribs having crescent moon shape, made in China.

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