English ⇄ Arabic Chinese Danish Dutch Finnish French German Greek Hungarian Italian Japanese Polish Portuguese Russian Spanish Swedish

rectifying column
met.	精馏柱
O&G. tech., tech.	精馏塔
oil	精憾柱
tech.	精馏塔柱

rectifying column: 7 phrases in 3 subjects

Metallurgy	1
Oil / petroleum	4
Technology	2