specific bulb 中文意思是什麼

specific bulb 解釋
比重管
  • specific : adj 1 特殊的；特有的；特定的，專門的。2 明確的，具體的。3 【生物學】種的；【細菌】專性的。4 【醫...
  • bulb : n 1 【植物；植物學】球根；鱗莖。2 球狀物；（寒暑表的）水銀球；燈泡；燒瓶；真空管；測溫包。3 【解...
  1. The tubular turbines are the best selection for exploitation of tidal power and hydraulic power with extremely low heads and extremely large flow rates. they have large discharge, high specific and high efficiency, and need less excavation. they have been classified into bulb, pit, siphon and " s " types in the light of their structural types

    貫流式水輪機是開發特低水頭，特大流量水電站及潮汐發電的良好機型。該機具有開挖量小，過流量大，比轉速高等特點。按其結構型式分燈泡式豎井式軸伸式等。
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