multiple-zone
| refining
| multiple zone | |
| oil | 多油层 |
| refining | |
| agric. | 调质 |
| bridg.constr. | 改进 |
| met. | 提纯; 晶粒细化 |
| oil.proc. | 炼制 |
| space | 求精 |
| tech. | 精制; 细化; 匀料; 匀浆 |
| |||
| 多熔区的; 多区域的 | |||
| |||
| 多油层 | |||
|
multiple-zone : 17 phrases in 5 subjects |
| Aviation | 1 |
| Electronics | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 9 |
| Technology | 3 |