英语词汇“helicopter acoustic signal”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	helicopter acoustic signal
释义	helicopter acoustic signal 直升机声信号
随便看	screw thread mouth piece manufacture screw thread pair screw thread parameter screw thread pitch gage screw-thread pitch gage screw thread pitch gauge screw-thread pitch gauge screw thread processing screw thread profile screw-thread profile screw-thread protector Screwthread reinforce screw thread rolling machine screw-thread rolling machine screwthreads screw threads Screw-thread Sets Screw thread sheath screw-thread smoke tube screw thread steel screw-thread steel screw thread steel reinforcing bar screw thread system screw-thread system screw thread tester