低压

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙炔低压渗碳单高压气淬真空,及多真空。

Therefore the oxidation kinetics of scratched aluminum is associated with the exoelectron emission decay of the scratched surface under ordinary temperature and reduced Pressure.

由此,通过在常温低压下铝划伤表面外逸电子射衰减,讨论了划伤铝初始化动力学过程。

In accordance with new standard of fire-control hydrant , our company designed a series mesolow fire-control pump of XBD pipeline type , which based on the original vertical multi-stage pump .

本单位在原有立式多级泵基础上根据对消防泵最新标准要求进行开新一代XBD管道型中低压消防泵组产品。