| 单词 | extraction method |
| 释义 | extraction method The firm uses an extraction method called hydraulic fracturing or 'fracking'. Times, Sunday Times The most traditional extraction method involves cold processing, in which the beans are steeped in pure alcohol, then filtered and bottled. Times, Sunday Times Her second project was improving an extraction method for tungstic acid from tungsten ores. Retrieved from Wikipedia CC BY-SA 3.0 With the ice-water extraction method the resin becomes hard and brittle and can easily be separated. Retrieved from Wikipedia CC BY-SA 3.0 These natural gas hydrates are seen as a potentially vast energy resource, but an economical extraction method has so far proven elusive. Retrieved from Wikipedia CC BY-SA 3.0 |
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