bed material
短語詞組
- river bed protection material 護底結(jié)搆型式
- seed bed base material 苗牀基質(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)負荷
- bed -material load 底負載
- bed of material 料層 返回 bed material