单词	nitrogen material
释义	nitrogen material氮材料電子工程
随便看	private bed private bill private brains private branch exchange private branch exchange final selector private branch exchange final selector，pbxfs private branch exchange line private branch exchange (pbx) private branch exchange-- pbx private branch exchange; pbx private branch exchange{=pbx} private branch exchanges private branch exchanges {=pbx} private branch exchange trunk private branch exchange 专用小交换机 private branch exchange，pbx private brand private brands private buffer pool private cache private car private carrier private case private certificate services private channel