男人扒开女人腿做爽爽视频_少妇性俱乐部纵欲狂欢少妇_丰满少妇人妻无码专区_亚洲国产精品久久久久秋霞1_国产成人精品白浆久久69

? ?
MCF Gas Roller-hearth Heat Treatment Furnace
FontSize:【L??M S
Profile:

Function: annealing treatment for coil, tubes or rods
Types of steel: austenitic stainless steel, martensite stainless steel, welding steel, low alloy steel, cold heading steel, free-cutting steel, structural alloy steel
Maximum production capacity: annual output of 40,000tons
Operation velocity: 0.5 ~ 5m/min
Heating method: gas-fired radiant tube heating; (regenerative combustion technology can be used)
Annealing temperature: 700 ~ 900℃
Furnace temperature d