bed material
短語詞組
- river bed protection material 護(hù)底結(jié)構(gòu)型式
- seed bed base material 苗床基質(zhì)
- fluidized bed combustion material 流態(tài)化材料
- filter bed doubledeck material 雙層濾料濾池
- bed d material load 底部物質(zhì)負(fù)荷
- bed -material load 底負(fù)載
- bed of material 料層 返回 bed material