| 1. | From three o'clock onward they would be burning resin .
从3点钟以后，它们就燃烧着松香。 |
| 2. | Standard test methods of sampling and grading rosin
松香分级和抽样的标准试验方法 |
| 3. | Standard test method for volatile oil in rosin
松香中挥发性油的标准试验方法 |
| 4. | Research on raw rosin decolorization amp; depuration process
粗松香脱色提纯的工艺研究 |
| 5. | Preparation and application of hydrogenated rosin
氢化松香制备与应用 |
| 6. | Test method for qualitative detection of rosin in varnishes
清漆中松香的质量检测的测试方法 |
| 7. | Study on experimental equipment for catalytic hydrogenation of rosin
松香催化加氢实验装置的研究 |
| 8. | Progress on the study of rosin modifications
松香改性的研究进展 |
| 9. | Mechanism of catalytic hydrogenation reaction of rosin by pd c catalyst
为催化剂的松香加氢反应机理 |
| 10. | A resin material used in soldering electrical connections
焊接电气连接点时使用的松香之类的助焊剂。 |
