单词	固定光束云幂仪
释义	固定光束云幂仪fixed-beam ceilometer
随便看	double crossover(scissors crossing) double crossover[scissors crossing] double cross slip double-crostic double crown double crucible technique double-crystal diffractometer double crystal probe double-crystal probe double crystal spectrograph double crystal spectrometer double crystal x ray diffraction double crytallographic shear double cuff double cup insulator double cup porcelain insulator double curing double current double current cable code double current furnace double current generator double-current generator double current key double-current key double current method