A new stocktaking system is currently under trial at the supermarket.
目前超市正在试用一种新的清点存货系统.
A number of new products have been successfully trial-produced.
许多新产品已试制成功.
The new plant has worked successfully since its trial run on May 1.
这个新厂从五一试车以来,一直生产得很顺利.
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