1)main protection,主保护[装置]2)main protection equipment,主保护装置3)independent safety control,自主保安4)self-support,自主保障5)Main protection,主保护6)ETS main protection,ETS主保护7)democracy security,民主保障8)Independent save from damage,自主保全9)main safety ring,主保险环10)guarantee of shipper,货主保证
用法例句
The two basic forms of support are commercial support and self -support, and the commercial support accounts for more and becomes the main part, but the self- support is not replaceable.
