The grassland fire danger classes can be conveniently searched through the quick search table on the search ruler;

可以通过查算尺上的快速查算表很方便的查出草原的火险等级。

youdao

The grassland fire danger classes can be conveniently searched through the quick search table on the search ruler;

可以通过查算尺上的快速查算表很方便的查出草原的火险等级。

youdao