试运行 
preoperation
trial run
- 试运行预计在2008年底进行。
Commissioning is scheduled to take place end of 2008. - 该gyrocar上试运行。
The Gyrocar on a test run. - 协助新产品的试运行,并收集相关的数据。
Assist with new product trial run, collect useful data during the process.
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