在过去,大多数冬天去弗兰玩雪橇的孩子都是用配有滑橇和转向杆的木制雪橇。
In the past, most children who went sledding in the winter snow in Verland used wooden sleds with runners and steering bars.
这架雪车在一根滑橇上滑行,倾斜得像大风中的一艘快艇。
The sleigh was on one runner, heeling like a yacht in a wind.
针对滑橇式起落架直升机 ,提供了一种“地面共振”动力稳定性分析的方法。
An analytical method of ground resonance dynamic stability countering the helicopters with ski landing gears is provided.
介绍了滑橇输送系统中链式滑橇系统的改进项目和方法,并对链式输送机与带式输送机的比较及应用作了阐述。
This paper introduces the items of and methods for the improvement of chain skid system in the skid transportation system, expounds the comparing and applications of chain conveyor and belt conveyor.
介绍了滑橇输送系统中链式滑橇系统的改进项目和方法,并对链式输送机与带式输送机的比较及应用作了阐述。
This paper introduces the items of and methods for the improvement of chain skid system in the skid transportation system, expounds the comparing and applications of chain conveyor and belt conveyor.
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