词汇	changing specialities
释义	changing specialities 转专业
随便看	Water retaining roek-step water-retainings water retaining structure water-retaining structure water retaining test water retaining wall water-retaining wall water retaining weir water-retaining weir water retaining works water-retardation frequency portion water retarding area water retarding standard water retention water-retention water retention ability water retention agent water-retention agent water retention agents water-retention and slow-release fertilizers water-retention and thickening admixture water retention capability of soil water retention capacity Water retention characteristic water retention characteristic curves