It is the first trial run of the first set of steam locomotive of China — 'Dragon locomotive'.

这是中国第一台蒸汽机车—“龙号机车”的首次试运行。

youdao

It is the first trial run of the first set of steam locomotive of China — 'Dragon locomotive'.

这是中国第一台蒸汽机车—“龙号机车”的首次试运行。

youdao