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- double nozzled rocket engine 双喷管火箭发动机
- double nozzled rocket 双喷管火箭发动机,双喷管火箭
- The maximum pressure drop and the operational pressure drop were investigated in a rectangular spouted bed with double nozzles by using air as spouting fluid. 摘要在双喷嘴矩形喷动床内,以空气为喷动气体,研究了最大喷动压降与操作压降的变化规律和影响因素。
- The results indicate that the double nozzles improve the performance of steam ejector effectively compared with a circular nozzle on the same operation. 同时,第二喷嘴进出口截面以及第二喷嘴出口长度存在一最佳值,对应于最大喷射系数。
- The change laws and influential factors of the minimum spouting velocity of a rectangular spouted bed with double nozzles were studied with air as spouting medium. 在双喷嘴矩形喷动床内,以空气为喷动气体,研究了最小喷动速度的变化规律和影响因素。
- Also, there is an optimal entrainment ratio for the double nozzles with variable inlet and outlet area ratio and outlet length of second nozzle in a given operation. 同时,第二喷嘴进出口截面以及第二喷嘴出口长度存在一最佳值,对应于最大喷射系数。
- Further comparison work was conducted between a circular nozzle and double nozzles to reveal the effect of changing the pressure of the primary (motive) steam on entrainment ratio. 计算结果表明,在相同的操作条件下,双喷嘴结构能有效地提高喷射器的喷射系数。
- He is working double tides to finish his essay. 他日夜苦干,赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的?
- Reserve double room June fourth to tenth inclusive. 预订双人房间,六月四日至十日,共六晚,望订妥复电。
- In this case, I can double for penalty. 假如这样的话,我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗?
- The soldiers came at the double. 士兵们是急行军来的。
- A couch performs a double service. 躺椅有双重的服务。
- Look, double yellow lines you mustn't park here. 喂,这是双黄线--不能在这儿停车。