P Isztok: "My girlfriend's grandfather is relaxing on a wooden bench he crafted himself some time ago."
P Isztok:“我女朋友的爷爷,躺在他不久前自己造的木凳上休息。”
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.
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。
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