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预燃 yùrán
avia. precombustion; primary combustion
met. pre-arcing; pre-burning; pre-sparking
nautic., tech. pre-combustion
space preliminary combustion
tech. preburning; precombustion (烧); preflame; preignition
预燃〔烧〕 yùrán
gen. preburning
预燃光谱分析 yùrán
gen. prearcing
预燃作用 yùrán
gen. preignition
预燃: 154 phrases in 15 subjects
Astronautics1
Automobiles53
Aviation9
Chemistry3
Electronics3
General4
Mechanic engineering1
Metallurgy11
Nautical1
Oil / petroleum2
Project management1
Rail transport1
Space23
Technology40
Textile industry1

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