短語詞組短語medium -wave PDM solid-state unit 中波PDM固態(tài)機(jī)dam medium -wave broadcasting transmitter dam中波廣播發(fā)射機(jī)medium wave propagation [電子]中波傳播;中波傳輸medium wave launcher 中波發(fā)射臺(tái)medium wave band wheat 中等硬粒小麥 返回 medium wave