中国机床类产品的进出口贸易逆差拉得很大，这说明有许多高端产品国产无法替代，需要大量进口。

China machine products import and export trade deficit and heavily, which suggests that a lot of domestic high-end products can replace, need to import a lot of.

youdao

中国机床类产品的进出口贸易逆差拉得很大，这说明有许多高端产品国产无法替代，需要大量进口。

China machine products import and export trade deficit and heavily, which suggests that a lot of domestic high-end products can replace, need to import a lot of.

youdao