GAC-石英砂双层滤池
granular active carbon-sand filter
Hadley环流双层结构
bi-level structure of Hadley cell
PS-PVA双层球
PS-PVA double layer microspheres
SQ3K型双层运输汽车专用车
SQ3K double-deck special car for transport of motor cars
SQ5型双层汽车运输专用车
SQ 5 double deck car specially for transport of automobiles
U形靶框-双层结构
U-like shape frame-double layer structure
凹底双层运输汽车专用车
depressed center double-deck cars specialized for transport of automobiles
钯－铂双层膜
palladium-platinum bilayer film
表里接结双层组织
Surface and Inner Blinding Two-layer Weave
柴油机双层隔振系统
vibration isolation system
常规双层完井
conventional two zone completion
超薄双层靶
ultrathin double-layer target
大口径双层螺旋保温风管
large diameter two-layer spiral insulating air duc
大跨空间双层网壳结构
double lay long span space reticulate shells
带床梯及护拦的双层床
bunk bed with ladder and guard rail