短語詞組短語Field -Bus System 現(xiàn)場總線ff field -bus ff現(xiàn)場總線industry field -bus 工業(yè)總線Field Control Bus 現(xiàn)場總線LON Field -Bus LON現(xiàn)場總線field -bus structure 現(xiàn)場總線結(jié)構(gòu)field control bus system 現(xiàn)場控制總線系統(tǒng)multilevel field -bus 多級現(xiàn)場總線 返回 field bus