基床[jī chuáng]
\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
foundation bed
1. subgrade bed; formation:半堤半堑 part-cut and part-fill section; cut and fill section | 基床 subgrade bed; formation | 基床表层 surface layer of subgrade bed; formation top layer; surface layer of subgrade
2. foundation bed:火山链||chain of volcanoes | 基床||foundation bed | 基线研究||baseline study
3. beading:bead weld 堆焊 | beading 基床 | beading 基底
4. subgrade:subframe 副车架 | subgrade 基床 | subgrade restraint 基床约束作用