球罐角变形的应力场和容限研究
Stress analysis of spherical shell with angular distortion and its allowable limit
啤酒瓶玻壳应力和裂纹容限计算分析
The calculation and analysis of stress and crack tolerance for beer bottle shell
起重机、吊索和吊机上应清楚标示载重容限。
Capacity limits should be clearly marked on cranes , slings , and hoists .