前集电弓
... grain roll 铸铁轧辊 dump truck n.自动倾卸卡车 leading bow 前集电弓 ...
主流理论认为他是在一场冲突中被敌对部落成员用弓箭射中后,逃离至那里并被冻死的。
A wave rider is a configuration designed such that the bow shock generated by the shape is perfectly attached along the leading edge at the design condition.乘波体是一种由已知超声速或高超声速流场生成的气动构形,在设计点乘波体构型的整个前缘产成贴附的激波。
It is shown that the blade bow, twist and leading edge sweep are effective in adjusting the loading distribution on the blade surface.分析结果表明,叶轮机叶片的弯扭和前缘掠形对叶片的负荷分布有重要的调节作用。