单词	shallow coal seams
释义	shallow coal seams 浅埋煤层
随便看	wide band high speed Internet wideband highway wideband image wideband image recorder wide-band image recorder wideband image recovery mixer wide-band image recovery mixer wideband imaging wideband impendance matching network wideband improvement wideband incoherent signals wide band information platform wideband information signal wide-band information transfer wideband input signal wide band instrument wide-band instrument Wideband Instrumentation System wide band integrated amplifier wide-band integrated amplifier Wideband intelligent network Wideband Interconnection Module wideband interference wide-band interference wideband interference suppression