按主体词字母查询
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H
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hypogenic a.深生的,深成的,地下的;上升生成的
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hypogeum=hypogee
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hypolimnion 均温层,下层滞水区(湖、海的),冷水层
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hyposynchronous a.次同步的
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hypotenuse 弦,斜边(直角三角形的)
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hypothecate v.抵押
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hypothesis 假说,假设
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static[al] head 势头,位头;静水头
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static[al] suction head 静吸入水头,静吸入扬程,倒灌高度
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suction head 虹吸水头,吸[升水]头,负压头
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tail head 尾水水头
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tension head [表面]张力水头
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test head 试验水头;试验用闷头(钢管的)
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total delivery head 供水总水头
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total dynamic[al] [discharge] head 总[出水]扬程(水泵的)
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