冲砂后螺旋桨表面会有很多的灰尘和磨料的残留。
There will be a lot of dust and abrasive residueon the surface of the propeller after sand washing.
最后讨论了新模拟方法在船后螺旋桨空泡与噪声模型试验中的应用。
Finally the application of the new modeling method to model test of cavitation and noise of propeller working behind is discussed.
当要起飞时只需要将各组件组装一起后将飞机扔向空中，它通过携带的电动螺旋桨推进器升上天空。
Launching it is just a matter of snapping the parts together and throwing it into the air, whence it is carried aloft by an electric propeller.
海明斯菲尔德和同事们于2007年在丹佛国际机场附近的一个装备有许多仪器的涡轮螺旋桨飞机上展开云研究后不久就不偏不倚的发现了穿洞云。
Heymsfield and colleagues flew smack-dab into the hole-punch discovery after having conducted a cloud study from a heavily instrumented turboprop plane near Denver International Airport in 2007.
下水后中间轴和螺旋桨连接后校中。
Aligning intermediate shaft and propeller shaft after launching.
某些水泵使用1000小时左右即出现严重的空蚀，船舶螺旋桨在使用一段时间后也因空蚀而效率大大降低。
Some pumps used for 1000 hours, the ship propeller in the use of time is also greatly reduced because of the efficiency of air piping.
汽油发动机供能后，螺旋桨便旋转起来，这就使气箱内布满了空气。
The gasoline engine supplies power that causes the propeller to whirl. This fills the chamber with air.
指出螺旋桨噪声、水动力噪声和设备机座机械噪声被有效抑制后，管道系统便成为“安静型”潜艇的主要噪声源。
Then the pipe system becomes the main noise resource of quite submarine, when propeller noise, hydrodynamic noise and machinery noise of facility base are controlled effectively.
但着陆后，飞行员可以收起机翼和螺旋桨像其他汽车一样驾驶。
But when it landed, the pilot could take off the wings and propeller and drive it like any other car.
尾梁从机身渐细到后掠尾垂翼，尾螺旋桨在锥形尾垂翼右侧，二个尾平翼被装在尾梁两侧。
The tail boom tapers from the main body to the swept-back, tapered fin with a rotor on the right. Two flats are mounted on the both side of the boom.
本文从斜流产生螺旋桨侧向力出发，导出舵后桨组合体的综合侧向力。
Depending on the principle of the transverse force of propellers produced in oblique flow, this paper acquires the overall transverse force of propellers after rudders.
进一步优化螺旋桨尾涡模型，并进行了实例计算与试验结果、原计算结果对比分析，结果表明改进后的尾涡模型计算结果具有更高的精度。
Practical sample is calculated and experimental test is carried out. Comparison with the previous result shows that the improved wake model gives resalls with higher accuracy.
进一步优化螺旋桨尾涡模型，并进行了实例计算与试验结果、原计算结果对比分析，结果表明改进后的尾涡模型计算结果具有更高的精度。
Practical sample is calculated and experimental test is carried out. Comparison with the previous result shows that the improved wake model gives resalls with higher accuracy.
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