单词	转辙器拉杆--尖轨拉杆
释义	转辙器拉杆；尖轨拉杆switch rod
随便看	communications map communications microcomputer communications mix communications network communications networks communications of the acm communication software communication sonar communication source communications package communications parameters communication speed communications policy communications port communications program communications protocol communi-cations-quality communi-cations-quality--speech coding communications regulatory system communications relay station communications research communications rights communications satellite communications satellite corporation communications satellite corporation 通信卫星公司