轴流泵叶片水力矩随流量变化的关系曲线存在一个马鞍区，并与流量-扬程曲线的马鞍区相对应。
There exists a saddle type zone in the hydraulic moment curve of axial-flow pump blades which corresponds to the saddle zone of discharge-head characteristic curve of the pump.
戒台寺滑坡位于北京市门头沟区马鞍山的北麓，马鞍山背斜的北翼，组成边坡的岩性较为软弱。
Jietai temple landslide is located in the north wing slope of Ma anshan mountain, Mentougou district of Beijing.
马鞍山位于沙田区东北部、是沙田新市镇的扩展部分。
Ma on Shan town is located in North-East of Shatin, which is the satellite town extension part.
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