国产成人夜色福利影片_亚洲av禁18成人毛片一级在线_欧美大片免费在线观看_少妇三级影视无码_影音先锋精品视频在线观看_日韩中文字幕无码人妻不卡_日本在线观看亚洲天堂_精品国产2国产4区_亚洲自拍影视日本_国产美女精品激情

Pneumatic solutions for the aluminum industryHengli Fluid has introduced Germany's intelligent casing cylinder technology and developed DQG intelligent casing cylinders and DQG series casing cylinders that meet the requirements of the Chinese market. They can meet the harsh environment of aluminum electrolysis cells and can operate at a normal temperature of+150 ℃ (300 ° F). When anode effect occurs or the electrolytic cell starts, the intermittent temperature can reach+200 ℃ (390 ° F)