Additives () protective layers on metal surfaces guarding them against corrosion.
A、damage
B、form
C、dissolve
D、contaminate
A、damage
B、form
C、dissolve
D、contaminate
A、to protect the Routing Engine B、to protect all interfaces on the device C、to protect the Packet Forwarding Engine D、to protect the management interface
A、to protect the Routing Engine B、to protect all interfaces on the device C、to protect the Packet Forwarding Engine D、to protect the management interface
A、The principal protective coating is paint. B、The principal protective coating is cement wash. C、The principal protective coating is bitumen. D、The principal protective coating is varnish.
A、time-delay protection B、short-circuit protection C、short duration surge protection D、sustained overload protection