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救生设备 | |
avia. | life saving equipment; survival kit; life saving apparatus; life saving device |
oil | life preserver; lifesaving equipment |
row. | survival equipment |
space | survival facilities |
swim. | rescue facilities |
F 检验 | |
math. | F-test |
救生设备 : 45 phrases in 6 subjects |
Aviation | 13 |
Nautical | 8 |
Navigation | 2 |
Shipbuilding | 14 |
Space | 3 |
Technology | 5 |