词汇	feed rate of idle roll
释义	feed rate of idle roll 芯辊进给速度
随便看	rural private lending rural privately owned houses rural problem rural problem area rural problems rural producer service rural production rural productive economics Rural productive forces rural professional cooperation organization rural professional cooperative association rural professional education rural progress rural proletarian rural proletariat rural proletariate rural property management rural pro-school education rural pubie goods rural public business rural public commodity rural public construction rural public cultural rural public cultural services rural public cultural service system