超长型缝台，使操作空间更为广阔。
本文研究了塞曼型缝式石英管原子捕集器的结构、制作、灵敏度以及在测定矿石中金的应用。
The structure, manufacture and sensitivity of slotted quartz tube atom trapping techniques in polarized Zeeman atomic absorption spectrophotometry were described in this paper.
控制系统配用经过改造的FN - 25型缝焊机，采用了电流百分数的控制方式，简化了操作过程。
FN 25 seam welder which was remaked was fitted with the control system. Current percentage control model was adopted in the control system. Besides, the operating process was simplified.
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