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collision bulkhead; companionway | |||
hatchway | |||
manhole | |||
companion way; hatching | |||
hatch | |||
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companion |
升降口: 28 phrases in 10 subjects |
Agriculture | 1 |
Architecture | 2 |
Aviation | 1 |
Earth sciences | 1 |
Electronics | 2 |
General | 3 |
Nautical | 1 |
Oil / petroleum | 2 |
Steel production | 1 |
Technology | 14 |