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三效
 三效
tech. triple effect
 | 催化转化器
 催化转化器
auto. catalytic converter system; catalytic convertor; converter; catalyst
ecol. catalyst

to phrases
三效
tech. triple effect
三效: 51 phrases in 20 subjects
Agriculture2
Air defense1
Automobiles13
Aviation2
Bridge construction1
Chemistry1
Commerce3
Dentistry1
Ecology1
Economy2
General4
Management1
Metallurgy1
Multimedia1
Oil / petroleum3
Rail transport1
Shipbuilding1
Technology7
Textile industry4
Water resources1

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