A、must be lighted
B、may have a flashing red light
C、may have a fixed white light
D、None of the above
更多“A survey (special purpose mark) buoy（）.”相关的问题
A、first survey and certificate exchange survey B、first survey and operation survey C、first survey and periodic survey D、classification survey and certificate exchange survey
A、In a multifloor building， the access point layout from the survey of one floor can be directly applied to the remaining floors B、Access points can be installed in the same place on every floor， without worrying about co-channelinterference C、You can survey with a Cisco AIR-ANT5959 in a plenum environment D、Identify all hazardous and restricted areas that might require extra or special survey and installationwork
A、complete and often very poor surveys B、correct and often very good surveys C、inadequate and often very old surveys D、adequate and present surveys
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