rough-bed  粗糙床面

monolithic track bed；solid bed；integrated ballast bed；monolithic concrete bed  整体道床

annual temperature difference between track bed slab and bed plate  道床板和底座板年温差

bed-by-bed analysis  逐层分析

Circulating fluidized bed wity low velocity fore postied branch bed  前置低速循环床

coal bed and gas bed  煤层气层

ebullated bed ebullating bed  化工分析

ebullated bed reactor ebullating bed reactor  细部工程设计

ebullating bed ebullated bed  非再生性能源

ebullating bed reactor ebullated bed reactor  再生性能源

moving packed bed and fluid bed  密实移动床

1-D band-limited Weierstrass fractal rough surface  一维带限Weierstrass分形粗糙面

1D exponential rough soil surface  一维指数型粗糙土壤表面

2-D fractal rough surface  二维分形粗糙面

2-high rough mill  二辊粗轧机

3-axis rough machining  三坐标粗加工

3-D random rough surface  三维粗糙表面

4-high rough mill  四辊粗轧机

a Covering Generalized Rough Set  覆盖广义粗糙集