单词	二级硬度
释义	二级硬度secondary hardness
随便看	uniform sweep rate uniform symbol specification uniform system uniform system of accounts uniform systems of accounts uniform systems of accounts，usoa uniform syzygy method uniform tax rate uniform temperature uniform temperature enclosure uniform temperature region uniform temperature zone uniform temperature zone length uniform tension uniform terrace uniform thickness uniform tio2 film uniform title uniform topology uniform topology of operators uniform traffic uniform transmission line uniform tube uniform unoxidized pinholes uniform varying load