When the earthquake happens, if it is available, you'd better run to the vacancyarea.
地震发生时，如果来得及，最好跑到空旷地带去。
2
Nana: When the earthquake happens , if it is available, you'd better run to the vacancyarea;
地震发生时，如果来得及，最好跑到外面空地；
3
With the industrial application, domestic industrialization of butadiene hydrogenation catalyst is realized, and domestic vacancy in this area is filled.