采用反吹法测定高纯氩气中大分子碳氢化合物,能够达到准确、快速测量高纯气体中大分子碳氢化合物的目的. Column switching - back flushing technique can realize accurate and fast measurement of macromolecular hydrocarbons in high - purity argon.
We shall have to do up the house next spring.我们必须在明年春天整修房子.Do up these papers and send them to Head Office.把这些文件包好,送到总公司.He came and helped me do up my room.他来帮助我收拾房间....
这就是一根芒刺.That was the insect sting.为了加强电极电晕效果, 提出了用芒刺电极代替栅网电极.In order to strengthen corona effect, arista electrode used as substitute for grid electrode was presented....
But hatching time was drawing closer every day.但是“收蚕”的时期一天一天逼进了.In the glare from the street - light, I could see Dill hatching one.在耀眼的街灯下我看得出迪尔又在打鬼主意.He was still alive and hatching his conspiracies.他还活着,策划着阴谋诡计....