C16硅胶反相色谱柱
Polar-enhanced C16 silica stationary phase packed reversed-phase column
板锥柱面网壳
plate-cone cylindrical reticulated shell
板柱体系
Reinforced Concrete Slab-column System
拔柱改造
structural reforming with removing column
螯合树脂浓缩柱
Chelating resin pre-concentration
凹型加肋锥—环—柱结合壳
ring-stiffened concave cone-toroid-cylinder combined shell
凹型加肋锥－环－柱结合壳
ring-stiffened concave cone-toroid-cylinder combined shell
ring-stiffened concave cone-toroid-cylinder combin