设计了一套热式流量计的标定试验台，用标准流量计法，对热式流量计进行标定。
In order to calibrate the thermal mass air flow meter by the method of standard flow meter, this paper designs a suit of thermal flow meter's calibration test-bed.
使用情况表明：该试验台具有加载方便、快捷、安全、可靠等特点，能够满足钢丝绳张力传感器标定的需要。
The instance indicates that the test-bed have many advantages such as convenience and shortcut and safety and credibility and so on. Further more it is approving as tension demarcating test.
介绍了拖拉机动力输出试验台及上海-50拖拉机动力输出轴标定功率的制订过程。
O power and describes the P. T. O test bench and the procedures for determining the rated P. T. O power of Shanghai-50 Tractor.
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