The temperature effect on large tonnage fly over beam caused by solar radiation should not be ignored, which will become the controlling factor of the structural design.
对于大吨位高架梁，太阳辐射引起的温度效应无法忽略，并可能成为结构设计的控制因素。
2
This article describes a new designing method of over-tonnage Die for rim sheet, the center part of rotor of the oversize generator.
介绍了大型发电机转子核心零件磁轭冲片的超吨位模具设计新方法。
3
Container tonnage in June was down approximately 2 percent year-on-year, but is still up over 7 percent for the first half of the year.