Perpetual pavement structure design uses tensile strain index and vertical compressive strain index to control the structure fatigue life, and uses shear index to ensure that surface distr.是什么意思_Perpetual pavement structure design uses tensile strain index and vertical compressive strain index to control the structure fatigue life, and uses shear index to ensure that surface distr.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句