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| плавсредство (A personal flotation device (abbreviated as PFD; also referred to as, lifejacket, life preserver, Mae West, life vest, life saver, cork jacket, buoyancy aid, flotation suit, etc.) is a device designed to assist a wearer, either conscious or unconscious, to keep afloat. wiki Alexander Demidov) | |||
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floatation device : 3 短语, 3 学科 |
| 库页岛 | 1 |
| 海军 | 1 |
| 鱼雷 | 1 |