TEST METHOD AND TECHNIQUE ON DYNAMIC, STATIC STIFFNESS AND STRUCTURE ELASTICITY-BACK PROPERTIES FOR RUBBER AND PLASTIC PRODUCTS是什么意思_TEST METHOD AND TECHNIQUE ON DYNAMIC, STATIC STIFFNESS AND STRUCTURE ELASTICITY-BACK PROPERTIES FOR RUBBER AND PLASTIC PRODUCTS在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句