受伤的过劳多数- 60% -在背部的结果，尤其是在腰部。

The majority of overexertion injuries - 60% - result in back strain, particularly in the lower back.

youdao

受伤的过劳多数- 60% -在背部的结果，尤其是在腰部。

The majority of overexertion injuries - 60% - result in back strain, particularly in the lower back.

youdao