单词	清冠
释义	清冠 qīng guān謂居於第一。
随便看	packet protocol packet protocol extension packet quantitative balance metric packet queuing packet radio packet radio channel packet radio communication packet radio network packet radio networks Packet Radio Relay packet radio service Packet Radio Station packet radio system packet radio technique packet radio terminal packet radio unit packet RAM Packet Random Access Channel LT packet ranking packet rate Packet reassembling packet receive buffer packet receive sequence number packet reception rate packet reception ratio