套筒轴线始终垂直于轨枕面，对位快速、准确，平均工作效率为双头的1.5倍。
Sleeve axis is always perpendicular to railway sleepers, ensuring quick and accurate alignment. The average working efficiency is 1.5 times that of double end wrench.
这并不完全是坏事：也许健康的就业增长暂时拉低了生产率，因为新员工的工作效率往往低于平均水平。
That isn't a wholly bad sign: perhaps healthy jobs growth temporarily depressed productivity because each new worker was less productive than the average.
效果：提高医疗工作效率，缩短平均住院日，降低药品费用。
Results: It raised efficiency of medical work, shortened average days of in - patient and reduced drug expense.
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