双层钢带铠装
double layer of steel-tape armour
双层钢丝铠装电缆
double wire-armoured cable
双层铁线铠装电缆
double wire-armored cable
单面涂层双层纸板
one-side coated duplex board
生铀层双层结构
Uranium-bearing double—layer structure
双层双跨混凝土框架
double-story and double-span RC frame
双层双曲抛物面网格壳
hyperbolic parabolic double-deck reticulated shall
双层双扇形
double-layer twin fans shaping
自组装双层膜
Self-assembled bilayer
Self-assembled bilayer membrane