单词	人造燃料
释义	人造燃料artificial fuel
随便看	signalling by hand flag or arm signalling by hand flags signalling by hand flags--semaphore-- semaphore signalling signalling identifier / service id signalling key signalling light signalling rate signalling relaly set signalling relay set signalling set signalling speed signalling--speed signalling system signalling system 7 signalling system a.c. signalling test signalling或signaling signal link signallisation signal loading effect signally signal made by colours signal-man signalman signal-man (lever man)