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chemical investigation; chemical test | |||
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chemical festing |
化学 试验 : 23 phrases in 14 subjects |
Animal husbandry | 1 |
Chemistry | 1 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 1 |
General | 1 |
Geology | 1 |
Metallurgy | 2 |
Nautical | 1 |
Oil / petroleum | 1 |
Reproductive biology | 1 |
Space | 1 |
Technology | 9 |
Textile industry | 1 |