protective furnace atmosphere

基本解釋

B. Continuous decomposed ammonia protective atmosphere annealing furnace.
連續(xù)式氨分解保護(hù)氣氛退火爐。
newtimecopper.feixiang.ecplaza.net
Liquid nitrogen is adopted as protective atmosphere in bell type furnace for which vacuum pumping system are provide also.
在罩式電爐內(nèi)處理，采取液氮作為保護(hù)氣體，并設(shè)真空抽氣設(shè)備。
The requirements of bright annealing of copper and brass strip on furnace, protective atmosphere and rolling coolant are analysed.
本文就銅及黃銅的光亮退火對(duì)退火爐、保護(hù)氣氛，軋制潤滑劑的要求作了分析。