alkali wash tower 碱洗塔

copper wash tower 铜洗塔

gas wash tower 气体洗涤塔 ; 煤气洗涤塔

scrubber wash tower 洗涤塔

soda-wash tower 碱洗塔

water wash tower 水洗塔

copper r wash tower 铜洗塔

liquid nitrogen wash tower 氮洗塔