抽气

The current production of "Three Parallel Rivers" brand a variety of manual, electric, pneumatic, hydraulic, Pneumatic-hydraulic core pulling rivets gun; ring groove rivet gun; rivet nut gun; all kinds of specification aluminum rivet, stainless steel rivets, ring groove rivet, rivet nuts and thread wire set installation and removal tool.

目前生产&三江&牌各类规格铝铆钉、不锈钢铆钉、环槽铆钉、铆螺母及螺纹丝套安装和拆卸工具；各种手动、电动、气动、液动、气液联动抽芯铆钉枪；环槽铆钉枪；铆螺母枪。门类繁多，规格齐全，生产量大，销售面广。

The spectral structure of spontaneous emission of copper atom at 510.6nm and 578.2nm was calculated considering the hyperfine structure of energy levels and the isotope shift.

真空系统的扩散泵可把激光管抽至10-2Pa的真空度，排除杂质使激光工作更稳定，可控制充入氖气的气压。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。