1.
double-column screw type supercharge device
双柱丝杆式加压装置
2.
double column rectifier for air separatio
空气分离双柱精离塔
3.
double column open-back inclinable power press
双柱开式可倾压力机
4.
double column open-back press with fixed bed
双柱开式固定台压力机
5.
open type double-column inclinable press
开式双柱可倾压力机
6.
double column hydraulic straightening and mounting press
双柱校正压装液压机
7.
gallows bitts
【航海】板中央的双柱吊架
8.
vertical two column press for breaking test of material
立式双柱材料折断试验机
9.
double column type digital height gauge with dial
带刻度盘双柱数字高度计
10.
Pillar+ Slab, Stainless Steel, yellow or green background.
双柱+平板,不锈钢材料,底色可黄色、色。
11.
new series open-back inclinable power press
新系列开式双柱可倾压力机
12.
bm=1.25d Double end studs bm=1.25d
GB/T898-1988双头螺柱
13.
bm=1.5d Double end studs bm=1.5d
GB/T899-1988双头螺柱
14.
bm=1d Double end studs--bm=1d
GB/T897-1988双头螺柱
15.
bm=2d Double end studs bm=2d
GB/T900-1988双头螺柱
16.
double-screw bolt
螺柱，双头螺纹螺栓
17.
Numerical Research on the Hydrodynamic Characters of a Circle Cylinder and Two Circle Cylinders in Tandem Arrangement in Uniform Cross Flow;
孤立圆柱及串列双圆柱水动力数值实验研究
18.
Study and design of column-supported slab and its connection
柱支承双向板及板柱节点的设计与研究