foundation bed
基床; 基座,地基
1. 基础垫层;地基垫层:foundation base 基础底;地基底 | foundation bed 基础垫层;地基垫层 | foundation dredging 地基开挖
2. 基础底面:foundation beam 基础梁 | foundation bed 基础底面 | foundation block 基础块体
3. 基底土层:foundation area for rig 钻机占用地 | foundation bed 基底土层 | foundation bolt 地脚螺丝
4. 基底:foundation 基础 | foundation bed 基底 | foundation work 基础工作
1. Nearly one in four American couples sleep in separate bed - rooms or beds, the National Sleep Foundation reported in a 2005 survey.