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.
螺纹钢成品孔月牙肋的传统设计法不仅繁琐，并且据此而得出的结果有误差。
The traditional design method of the crescent rib on the screw-thread steel finished product passes is very overelaborate and the results obtained based on it have some errors.
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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