单词	boudary beacon
释义	boudary beacon‘电信’示界标
随便看	derailing switch point derailleur derailleurs derailment derailment caused by the wheels climbing the rail derailment caused by the wheels mounting the rail derailment coefficient derailment due to climbing of wheel-flange on rail derailment due to jumping of wheel-flange on rail derailment due to mounting of wheel-flange on rail derailment prevention derailments derails derain derain, andré dera ismail khan derajat dera, lagh dera, lagh (dheere, laag) derambila dentifera derambila saponaria fragilis de-randomize de-randomizing circuit deranencephaly derange