此外, 在水的涡凹和流程特性上的一些实验的研究水力的节流阀被介绍. Besides, some experimental researches on the cavitation and flow characteristics of water hydraulic throttles are introduced.
草在风中起伏波动.The grass waved in the wind.我们很快看到一片麦田在微风中起伏。We soon see a field of wheat undulating in the breeze.我们很快看到一片在微风中起伏的麦田.We soon saw a field of wheat undulating in the breeze....
The dynamic SIF variation was found to lag behind the stress - pulse imingement by several microseconds.动态应力强度因子的变化发现滞后于应力脉冲冲击几微秒.The dynamic SIF variation was found to lag behind the stress - pulse impingement by severa...
Defensive quills dot the backs of these troublesome creatures.防御性的刺长在这些讨人厌的生物背上.Quills were the chief writing implement from the 6th century AD until the advent of steel pens in the mid 19th century.从公元6世纪到19世纪中期钢笔出现以前,羽...