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
U形靶框-双层结构
U-like shape frame-double layer structure
表里接结双层组织
Surface and Inner Blinding Two-layer Weave
带双层厚披肩的合成橡胶雨衣
synthetic rubber raincoat with double thick cape back
单面涂层双层纸板
one-side coated duplex board
单双层绕组
Single and Two Layer Winding
镀锌涂塑双层卷焊管
plating zinc and plastic double layers welded pipe
多层面的双层体制
a two-tiered system under a multiple tiers
多格双层滤池
multicomponent multimedia filtration pond
钢桥面双层铺装
two-layers surfacing of steel bridg
混合整数双层线性规划
mixed integer bilevel linear programming