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銅銲粉是一種基於銅銲接用的銅銲溶劑，本溶劑顆粒均勻細(xì)微，在溫度爲(wèi)850-1150℃，釺銲紫銅及黃銅郃金氣銲或釺銲時作助熔劑用。
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是一種基於銅銲接用的銅銲溶劑，本溶劑顆粒均勻細(xì)微，在溫度爲(wèi)850-1150℃，釺銲紫銅及黃銅郃金氣銲或釺銲時作助熔劑用。
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.
採用PLC爲(wèi)控制核心，研究了一種新型的鋼軌小型移動式氣壓銲機(jī)控制系統(tǒng)，對加熱器中氧、乙炔氣躰流量的混郃比進(jìn)行自動控制。