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expl. 震源线又称炮点线,在其上布置炮点或震源点的线。震源点或炮点的间隔一般是规则的
oil 入口管线
tech. 源线
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: 43 phrases in 12 subjects
Aviation2
Earth sciences2
Ecology2
Electronics2
Environment1
Explosives and Explosive Ordnance Disposal1
Metallurgy2
Oil / petroleum8
Oil processing plants1
Space1
Technology14
Wind Energy7