The paper introduces the tensile propertiy of 1420 Al_Li alloy welds by EB welding, and the fracture behaviours of welds and the states of heat treatment affecting the properties are discussed.是什么意思_The paper introduces the tensile propertiy of 1420 Al_Li alloy welds by EB welding, and the fracture behaviours of welds and the states of heat treatment affecting the properties are discussed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句