English translation for "back uprotection"

备用保护装置

Similar Words：

"back uprise" English translation, "back uprise and hecht dismount" English translation, "back uprise double rear vauit" English translation, "back uprise double rear vault" English translation, "back uprise-straddled double rear vault" English translation, "back upstart" English translation, "back upstart backward" English translation, "back upstart regrasp" English translation, "back upstart with backward seat" English translation, "back ustore" English translation