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"真空"相关例句(1190)
1.A space empty of matter.
2.An empty space; a vacuum.
3.vacuum polarization
4.vacuum circuit breaker
5.vacuum deposition
6.vacuum evaporation
7.An ultrahigh vacuum.
8.vacuum furnace
9.vacuum heat treatment
11.fine [high; perfect] vacuum;
12.produce a vacuum;
13.vacuum physics
14.vacuum electronic device
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15.Vacuum pressing and casting.
16.vacuum metallurgy
17.vacuum refining
18.A vacuum tube.
19.A space relatively empty of matter.
20.vacuum cleaner