| 31. | the chemical industry |
| 化学工业
|
| 32. | a chemical experiment |
| 化学实验
|
| 33. | a mining, chemical , etc conglomerate |
| 矿业, 化工等企业集团
|
| 34. | chemical treatment of sewage |
| 对下水道污物的化学处理
|
| 35. | a report produced by the Government in co-operation with the chemical industry |
| 政府在化工部门的配合下所提出的一份报告
|
| 36. | an enzyme which inhibits a chemical reaction |
| 抑制化学反应的酶
|
| 37. | chemical burns |
| 化学品灼伤
|
| 38. | a chemical agent |
| 化学试剂
|
| 39. | exert a chemical action on |
| 对。。。起化学作用
|
| 40. | by means of chemical action |
| 通过化学作用
|