1) rectangular section ring
矩形断面活塞环
2) rectangular piston
矩形活塞
1.
Quadruple integral expressions of the radiation impedance in rectangular piston are deduced in this paper.
从辐射阻抗的定义式出发,推导了矩形活塞辐射阻抗的四重积分表达式,借助5个节点的高斯数值积分方法编程,计算了r(长与宽之比)不同时矩形活塞声源辐射阻抗的数值解,并绘制出辐射阻、辐射抗随k(ab~(1/2))和r的变化关系曲线。
3) annular piston
环形活塞
4) rectangular section
矩形断面
1.
Simulation of rectangular section's flow field and aerodynamic parameters in homogeneous turbulence
均匀湍流场下矩形断面流场及气动参数数值模拟
2.
Interference of aerodynamic forces on two rectangular sections with tandem arrangement in uniform wind field was numerically studied.
数值研究了均匀风场中串列双矩形断面气动力的相互干扰,讨论了这种干扰与断面间距的关系。
5) piston ring breakage
活塞环断裂
6) piston rings' fracture
活塞环折断
补充资料:异形断面钢材(见异形断面型材)
异形断面钢材(见异形断面型材)
special section steel
,一、u以uu、’“飞豆on gQngC01异形断面钢材(speeial Seetion steel)见异形断面型材。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条