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| sandwich coat (средний слой которого состоит из другого металла, например: Cr-Ni-Cr); three-coat scheme | |||
| three coating; three-layer coating | |||
| sandwich coating | |||
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| sandwich coatings; three-layer coatings | |||
| трёхслойное покрытие: 7 phrases in 7 subjects |
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