In this paper, the static and fatigue tests of 12 bar specimens used in space grid and 2 truss specimens, all with bolt sphere joints, as well as 12 specimens of suspenders connecting crane rails to space grid joints have been reported.是什么意思_In this paper, the static and fatigue tests of 12 bar specimens used in space grid and 2 truss specimens, all with bolt sphere joints, as well as 12 specimens of suspenders connecting crane rails to space grid joints have been reported.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句