PCFG的相关资料：
临近单词
PCD
PC
PCF Panama Canal Transit Fee
pcm fdm translating equipment
PC room-at e-mail sent.
pcm hybrid terminal equipment
PCM digital colour television
PCM integrative measuring set
pcm time division multiaccess
PCMCIA CARD WIRELESS LAN CARD
PCM digital reference sequence
PC piston ring molding machine
