Under the ship, he printed in big red letters: C-O-N-G-R-A-T-U-L-A-T-I-O-N-S!

在船下面，他用红色大字写着：C-O-N-G-R-A-T-U-L-A-T-I-O-N-S！

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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。

youdao

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。

youdao