| 单词 | turnaround |
| 释义 | turnaround [`tǝrn·ǝ´rau̇nd] CHEMICAL ENGINEERING In petroleum refining, the shutdown of a unit after a normal run for maintenance and repair work, then putting the unit back into operation. ENGINEERING The length of time between arriving at a point and departing from that point; it is used in this sense for the turnaround of vehicles, ships in ports, and aircraft. |
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