| 单词 | forklift upgrade |
| 释义 | forklift upgrade Referring to a complete system replacement. The term originated in days of yore, when mainframe computers and PBXs were so big and heavy that it literally took a forklift to remove an obsolete system from the computer room or switch room and replace it with another, usually of at least equal size and weight. See also heavy metal, mainframe computer, and PBX. |
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