自由落體重力 的英文怎麼說
中文拼音 [zìyóulàtǐzhònglì]
自由落體重力
英文
free-fall gravity- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 由 : causereason
- 落 : 落名詞[方言] (北方對蓮花落的俗稱) a kind of folk song
- 體 : 體構詞成分。
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 自由落體 : free fall
- 自由 : freedomliberty
- 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
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One side, groovy cast steel flap valves increase the head loss, waste electricity, the other side, when flap valves close, it always delay time because of it ' s low proportion. the bump load seriously threaten the safety of pumping station. through the research and development of flap valve used in the renovation practices in the design of air - filled floating flap valve in no. 1 chuhe pumping station of anhui province, the working characteristics and design methods of air - filled floating flap valve are studied in this paper
但在拍門運行使用的同時,又時常暴露出一些缺陷,主要有:一是常規的鑄鐵或鑄鋼拍門加大了流道的水頭損失,特別是對于裝機容量較大的排澇泵站,其電能損耗相當可觀;二是拍門在自重下下落關閉時,往往由於過多考慮水頭損失導致浮重過小而延誤閉門時間,致使水體倒灌,再因緩沖裝置失靈導致閉門時門體對門框撞擊力很大,嚴重危及站身安全。
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