Technical specifications for trunked mobile radio systems 集群移動(dòng)通信系統(tǒng)技術(shù)體制
Technical specifications for private trunked mobile radio system for communications 交通專用集群移動(dòng)通信系統(tǒng)技術(shù)體制
These include operations and maintenance services for key airport authority engineering plant and systems such as airfield e & m installations and systems - - airfield lighting , airfield hvlv & emergency power generating systems , aerobridges , preconditioned air systems for planes , trunked mobile radio system , baggage handling system , aircraft parking aids , pumping systems , air - conditioning system in the passenger terminal building , as well as wastewater treatment plant 而服務(wù)所涉及的主要設(shè)施則包括飛行區(qū)照明系統(tǒng)、高低壓及緊急供電系統(tǒng)、登機(jī)橋、為停于地面的飛機(jī)提供預(yù)??諝庀到y(tǒng)、集群流動(dòng)無線電通話系統(tǒng)、行李處理系統(tǒng)、飛機(jī)停泊輔助設(shè)施、抽水系統(tǒng)、機(jī)場(chǎng)客運(yùn)大樓空調(diào)系統(tǒng)以及污水處理廠。