main signaling equipmentmain signalling equipment总: assemble; gather; put togeth ...信号: signal; semaphore; gun设备: equipment; device; facility; ...列信号设备: subgroup signaling equipment信号设备: indication; signal device; signal equipment; signaling device; signaling equipment; signaling set; signalling appliance; signalling equipment下载手机词典可随时随地查词查翻译
