多层多孔三维结构  porous three-dimensional structure of multi-storey

~+多层多目标决策  Multilevel and multiobjective decision making

奥格多孔轴承合金  Ogalloy

变孔距多孔同段爆破  variable distance multi-hole simultaneous blasting

不同多层技术  different multiply technologies

单层多孔介质燃烧器  one-layer porous medium burner

单孔多层  single-hole multi-layer

多层层积处理  Multilayer bedding treatment

多层多导体系统  multilayed multiconductor system

多层多道焊  multi-cover and multi-path welding; Multi-layer Welding; multi-pass welding

多层多道焊接  multi-pass welding

多层多股  multi-lever and multi-strand

多层多跨  multi-story and multi-span

多层多目标系统  multilevel multi-objective system

多层多目标优化  multilayer multiobjective optimization

多层多视多体建模  3M Modeling

多层多室  multi-floor and multi-room

多层多室建筑  high rise building

多层多体信息模型  layered multi-body information model