单词	a thick pipe
释义	a thick pipe 粗管
随便看	back-up environment Back-up Environment backup equipment Backup Exec System Recovery Manager back-up expert system backup facility back up facility back-up facility Back-up facility backup file back-up file backup filer backup files back up files Back up file sequence error backup fixed disk backup flange Backup Flight Control Backup Flight Control System backup flooding back up for backup force backup for diaster backup for disaster recovery backup for recovery after disaster