gas-welding flux

基本解釋

QJ303is a copper-based brazing welding used solvent, the solvent particles uniformly fine at a temperature of 850-1150 ℃, copper and brass brazing alloys gas welding or brazing flux when used.
QJ303銅焊粉是一種基于銅焊接用的銅焊溶劑，本溶劑顆粒均勻細(xì)微，在溫度為850-1150℃，釬焊紫銅及黃銅合金氣焊或釬焊時(shí)作助熔劑用。
QJ301 is a copper-based brazing welding used solvent, the solvent particles uniformly fine at a temperature of 850-1150 ℃, copper and brass brazing alloys gas welding or brazing flux when used.
QJ301是一種基于銅焊接用的銅焊溶劑，本溶劑顆粒均勻細(xì)微，在溫度為850-1150℃，釬焊紫銅及黃銅合金氣焊或釬焊時(shí)作助熔劑用。
A new gas-flux control system for pressure welding of steel rail was introduced in this paper. In this control system, the gas-flux which is used to heat the steel rail is controlled by PLC and MFC.
采用PLC為控制核心，研究了一種新型的鋼軌小型移動(dòng)式氣壓焊機(jī)控制系統(tǒng)，對(duì)加熱器中氧、乙炔氣體流量的混合比進(jìn)行自動(dòng)控制。