Keeping a reasonable timber use and trying to save timber resource shall be a long term technological policy.

坚持木材合理利用、节约利用应成为一项长期的技术政策。

youdao

Keeping a reasonable timber use and trying to save timber resource shall be a long term technological policy.

坚持木材合理利用、节约利用应成为一项长期的技术政策。

youdao