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narrow beam
gen. 窄〔聚焦〕射束
space 窄波束
tech. 细射束; 窄射束
narrow-beam ['nærəʊbiːm, 'nεroʊ-]
gen. 狭窄射线; 窄束
oil 窄光束
narrow beam: 37 phrases in 9 subjects
Bridge construction1
Construction1
Electronics4
General1
Geophysics1
Oil / petroleum3
Space7
Technology18
Telecommunications1