A、stays at rest
B、is working stably
C、is worn out
D、is in good operation
更多“The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）”相关的问题
A、Put the rat guards on deck. B、Put the rat guards on the moorings. C、Put the rat guards under the moorings. D、Put the rat guards over the moorings.
A、Put rat guard on the deck. B、Put rat guards on the moorings. C、Put rat guard under the moorings. D、Put rat guards under the moorings.
A、Alert the watch officer that a vessel is approaching the preset CPA limit B、Warn of small targets that are initially detected closer than the outer guard zone C、Guard against target loss during critical maneuvering situations D、Sound an alarm for targets first detected within the zone
A、ABPDU Guard port should only be configured on ports with PortFast enabled. B、BPDU Guard and PortFast should not be enabled on the same port. C、BPDU Guard is used to ensure that superior BPDUs are not received on a switch port. D、ABPDU Guard port receiving a BPDU will go into err-disablestate. E、ABPDU Guard port receiving a BPDU will be disabled. F、BPDU Guard can be enabled on any switch port.
A、The command enables both loop guard and root guard. B、The command changes the status of loop guard from the default of disabled to enabled. C、The command activates loop guard on point-to-multipoint links in the switched network. D、The command will disable EtherChannel guard.
A、A BPDU Guard port should only be configured on ports with PortFast enabled B、BPDU Guard and PortFast should not be enabled on the same port. C、BPDU Guard is used to ensure that superior BPDUs are not received on a switch port D、A BPDU Guard port receiving a BPDU will go into err-disable state E、A BPDU Guard port receiving a BPDU will be disabled F、BPDU Guard can be enabled on any switch port
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