单词	foot valves
释义	foot valves 🌏阀
随便看	radio direction-finding net radio direction finding network radio direction-finding radar radio direction findingrdf radio direction-finding receiver radio direction finding service radio direction finding station radio direction-finding station radio direction finding system radio direction-finding system radio direction finging radio directive device radio directon-finding station radio director indicator radio dish radio disk temperature radio dispatching communication for train radio dispatching system radio-dispatching system radio dispatching telephone radio dispatch system Radio dispatch transmitter receiver radiodisplacement assay radio displacement bar radio dissemination of time