水流安全關閉 的英文怎麼說

中文拼音 [shuǐliúānquánguān]
水流安全關閉 英文
water flow safety shut-off
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞1 (完備; 齊全) complete 2 (整個) whole; entire; full; total Ⅱ副詞(完全; 都) entirely...
  • : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
  • : Ⅰ動詞1. (關; 合) close; shut 2. (堵塞不通) block up; obstruct; stop up Ⅱ名詞(姓氏) a surname
  • 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
  1. 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道的頭損失,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時,往往由於過多考慮頭損失導致浮重過小而延誤門時間,致使體倒灌,再因緩沖裝置失靈導致門時門體對門框撞擊力很大,嚴重危及站身
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