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unaccounted-for | |||
unexplained | |||
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unaccounted |
未 说明的 : 19 phrases in 12 subjects |
Automobiles | 1 |
Business | 1 |
Chemistry | 1 |
Earth sciences | 2 |
Economy | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 3 |
Oil / petroleum | 1 |
Securities | 1 |
Technology | 3 |
Telecommunications | 2 |
Textile industry | 1 |