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particulate emission
auto. 柴油机微粒排放; 微粒排放物
avia. 颗粒排放
oil 颗粒排放物; 微粒排放
tech. 颗粒散发物; 颗粒排放量
particulate emission
: 8 phrases in 4 subjects
Automobiles4
Desert science2
Ecology1
Technology1