yield strength (YS) of the steel was 425~460 MPa, ultimate tensile strength (UTS) 505~525 MPa, and ratio of YS-UTS 0.81~0.88, all up to standard.是什么意思_yield strength (YS) of the steel was 425~460 MPa, ultimate tensile strength (UTS) 505~525 MPa, and ratio of YS-UTS 0.81~0.88, all up to standard.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句