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annular chambers | |||
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toroidal vacuum chamber | |||
toroidal vessel; torus | |||
doughnut; donut; toroid; vacuum doughnut (of a betatron or synchrotron); vacuum donut (of a betatron or synchrotron); circular chamber | |||
annular combustion chamber; annulus | |||
doughnut (of the betatron) |
Ringkammern: 1 phrase in 1 subject |
Earth sciences | 1 |