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| organic phosphorus compounds | |||
| organophosphorous compound; organophosphorus compounds | |||
| organophosphorous compound Pesticides that contain phosphorous; short-lived, but some can be toxic when first applied (包含亚磷的杀虫剂；一些是有毒性的。) | |||
| organic phosphorus compound | |||
| organic phosphorous compound | |||
| organophosphorus compound | |||
| 有机磷化合 物: 5 phrases in 3 subjects |
| Chemistry | 1 |
| Metallurgy | 3 |
| Technology | 1 |