针对国内曲轴弯曲疲劳试验机普遍存在的试验精度和试验效率较低的问题，开发了智能型曲轴弯曲疲劳试验系统。

In order to improve the accuracy and efficiency of crankshaft fatigue testing machine generally in use, a new crankshaft fatigue testing system with intelligent control has been developed.

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采用这种试验机测定不同锯链的锯切效率，可比性强。

So a good contrast could be obtained in measuring the cutting-rate of saw-chains through the special testing device.

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