A glasscolumn packed with a special packing (la packing) was developed in this work.
采用一种特殊的填料(LA填料)，制成玻璃填充柱。
2
The main products are: a pioneering series of flashing ice drill glass, glass drill wonderful series, crystal glasscolumn;
产品主要有：国内首创的闪光冰钻玻璃系列，精彩钻玻璃系列，水晶玻璃柱；
3
A thermometer often now, and more often back in the early 1800s, consists of a glass tube up which a column of mercury or alcohol can travel from a reservoir at the base.