In this paper, two problems-the design of conical heads subjected to external pressure and stress intensity existing aroundopening are analyzed and discussed.
本文对外压锥形封头设计以及开孔接管处的应力强度等两个问题进行分析。
2
Fairy lights dance around the trapezoid opening at the top of the Shanghai World Financial Center (SWFC).
在上海环球金融中心（SWFC）顶部，彩灯围绕着梯形的开口舞动。
3
She and Frank had never got around to opening a joint account.