Indeed, three of the four major mine disasters reported this year occurred at state-owned mines.

今年以来报道的四个矿难大事故中就有三个发生在国有煤矿。

youdao

Indeed, three of the four major mine disasters reported this year occurred at state-owned mines.

今年以来报道的四个矿难大事故中就有三个发生在国有煤矿。

youdao