揚水輪 的英文怎麼說
中文拼音 [yángshuǐlún]
揚水輪
英文
flap wheel-
To control dust generation, materials transported on trucks are covered, also all haul roads and unpaved areas are regularly watered with wheel wash facilities at the site exits
為免塵埃飛揚，有關方面會遮蓋貨車所運送的物料，並利用設置於地盤出口處的輪式洗滌設施，不時在所有拖運材料的道路及未鋪地面上灑水。This boom is more broadly - based than last year ' s, but supported by the same cocktail of factors : strong chinese and global demand, constrained supplies, low levels of metal stockpiles and heightened financial speculation
此輪價格上揚的廣度超出去年，但支持因素仍是原來的那幾個：中國乃至全球需求旺盛、供應受限、金屬庫存水平偏低、以及活躍的金融投機行為。Until now, there have been a few reports on the damage of the water pumps caused by sand and water cavitation. by use of the test loop for solid and liquid two phases, under the condition of 3 % head drop, the damage location and relative degree of the sand and water cavitaiton occurred on the impeller were tested and researched. the result was, them, compared with the results under the condition that water cavitation occurred and no cavitation but only wear occurred. the differencts were analyzed. the analysis result can be used as the basis of the further research and the improvement of the impeller shape
目前含沙水汽蝕對水泵損傷方面的報導甚少，本文利用固液兩相流試驗臺，對離心泵閉式葉輪在含沙水汽蝕時（ 3揚程下降點）的損傷部位和相對程度進行了試驗研究，並將此結果與清水介質發生汽蝕時的損傷情況[ 13 ]及含沙水無汽蝕情況下的磨損情況[ 7 ]相比較，對其差異進行了分析，為今後進一步探討葉輪損傷機理和葉型改進提供了實驗依據。At the same time, according to the original parameter of pneumatic pump, the efficiency and flux of the pump have been theoretically amalyseed and calculated, and after that the waterpower of the water wheel has been designed
同時，根據風動水泵的原始參數，對水泵的效率、揚程和流量進行了理論分析計算，並進行了水輪的水力設計。分享友人