The spindle speed of CA6140 remains the manual function of shifting gears. The alteration is easy and it can reduce labor intensity and improve productive efficiency.

CA6140车床主轴转速部分保留原车床的手动变速功能，改造简单易行，可降低劳动强度，提高生产效率。

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At present, our greenhouse mechanized work is quite low, and the major work still depends upon traditional manual labor, result of big intensity, low efficiency.

目前，我国温室大棚的机械化作业水平还比较低，大多数作业仍依靠传统的手工劳动，强度大、效率低。

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The test device solves problems of manual control of existing test devices, high labor intensity, low efficiency and bad test precision.

它解决了现有测试装置靠人手动来控制，劳动强度大、效率低、测试的精度差的问题。

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