A special tool is introduced here to measure the curved object radius of the horizontal oil tank and railroadtankcar.
本文介绍了一种检定卧式油罐及铁路罐车测量曲线体半径的专用工具。
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It also guarantees the accuracy of experimental data of railroadtankcar valves, improves the overhaul quality, and thus ensures the traffic safety and reduces worker's labor intensity.