DNA双螺旋结构
double helix structure of DNA
EZ-FILL双螺旋法
ez-fill endodontic technique
超螺旋双链闭环DNA
covalently closed circular DNA
单平面双螺旋谐振单元
uniplanar double spiral resonators
螺旋CT双期增强扫描
dual phae spiral CT enhanced scanning
螺旋双壁波纹管材
double wall screw ripple pipe
Double-walled Spiral-corrugated Pipelines
螺旋双面埋弧焊缝
Spiral double submerged arc welded seam
三层双螺旋
three-layer double spiral
双螺旋Bivis制浆
twin screw extrusion pulping