| |||
noxious odor | |||
poisonous gas; toxic gas | |||
noxious gas | |||
harmful gas | |||
nocuous gas; pernicious gas | |||
poisonous weapon | |||
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toxic gas | |||
| |||
poisonous gas |
有毒 气 体 : 15 phrases in 5 subjects |
China | 2 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 4 |
Nautical | 3 |
Technology | 3 |