DEAE-纤维素离子交换柱层
DEAE-cellulose ion-exchange chromatograph
冲孔灌注柱
percussion drill hole grouting pile
充填式静态浮选柱
Packed static flotation column
充实水柱长度
length of dense water column
齿轮轴滚柱轴承
gear shaft roller bearing
程序涂渍色谱柱
Gradient coated GC column
The gradient loaded GC column
朝向柱结构
orientation columns structure