high-efficiency working 高效加工
High Working Efficiency 极高作业效率
high efficiency working
高效率工作
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In order to ascertain the high efficiency working area, it needs to draw its work character figure, traditionally, it must have a great number of testing data.
为了确定液压泵的高效率工作区域，需要做出其工作特性图，传统的作法需要大量的测试数据。
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