1.  substrate
2.  foundation bed
3.  foundation support

• 1. 基座: chassis | base | seating
• 2. 基座纵桁: bed-plate girder | girder of foundation | girder for seat
• 3. 三角基座: tribrach

更多释义

• 1.我小心地把花瓶放回基座上。
  I replaced the vase carefully on its pedestal.
  dict.yoduao.com
• 2.为了测量两极之间的高程差，测量员在两极中间的一个水平基座上使用了光学水准望远镜。
  To measure the difference in elevation between poles, surveyors used an optical level—a telescope on a level base—placed halfway between the poles.
  dict.yoduao.com
• 3.石块应该固定在混凝土基座上。
  The blocks should be laid on a bed of concrete.
  dict.yoduao.com

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