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instrument air
compr. 仪表风
el. 仪表用压缩空气
oil 仪表用干空气
oil.proc. 仪表空气; 干燥空气
wind. 仪表气源
instrument air: 29 phrases in 12 subjects
Air defense1
Aviation4
Desert science1
Electronics2
Metallurgy1
Oil / petroleum1
Oil processing plants2
Shipbuilding1
Space2
Steel production1
Technology11
Wind Energy2