subbase ['sʌbˌbeɪs]

例句:

• Current uses by subbase layer and color pigments , varnishes tier.
  漆布一般由底基层,色料层和光漆层组成.
  
• So the void ratio method is feasible in compaction control of subbase.
  因此,路基压实用空隙率法控制是切实可行的.
  
• While holding the cone , tighten the subbase screws.
  用手压住漏斗, 拧紧座垫固定螺丝.