So having a bit of fun, but also learning about carbon reduction.

这能让他们享受乐趣的同时又学到减排的知识。

youdao

White cast iron is cast iron ash carbon content is a bit low.

白口铸铁含碳量较灰口铸铁稍低。

youdao

White cast iron is cast iron ash carbon content is a bit low.

白口铸铁含碳量较灰口铸铁稍低。

youdao