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to phrases
精制过程
tech.
refining process
;
subtractive process
;
treating process
精制〔减法〕过程
PCB
subtractive process
精制 过程:
38 phrases
in 7 subjects
Chemistry
5
Cosmetics and cosmetology
1
Electronics
1
General
2
Oil / petroleum
21
Oil processing plants
1
Technology
7
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