| |||
химические испытания | |||
химический анализ (dimock) | |||
химические первичное | |||
химическое исследование |
chemical testing : 10 phrases in 6 subjects |
Analytical chemistry | 4 |
Environment | 1 |
Makarov | 1 |
Natural resourses and wildlife conservation | 1 |
Physical chemistry | 2 |
Textile industry | 1 |