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污染指标
wūrǎn zhǐbiāo
food.ind., sec.sys.
pollution indicator
tech.
index of pollution
;
pollution index
water.res., ecol.
contamination index
;
pollutional index
污染 指 标:
31 phrases
in 7 subjects
Earth sciences
3
Ecology
2
Electronics
1
Environment
1
Space
1
Technology
22
Water resources
1
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