softness-stiffness tester是什么意思，softness-stiffness tester的翻译，softness-stiffness tester音标、读音、用法和例句

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softness-stiffness tester是什么意思，softness-stiffness tester的翻译，softness-stiffness tester音标、读音、用法和例句_沉淀汉英词典