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精制剂 jīngzhìjì
anim.husb. refining agent
oil treating compound
冷却液精制改良
auto. treatment agentcompound
精制 剂
: 39 phrases in 11 subjects
Agriculture1
Automobiles1
Business1
Chemistry3
Electronics1
General5
Metallurgy1
Oil / petroleum10
Oil processing plants2
Pharmacology1
Technology13