| 摘要 |
The invention discloses an equipment including a main body and N multi-threaded shafts. The main body has a bottom, and N multi-threaded holes are formed on the bottom of the main body, wherein N is a natural number. Each of the N multi-threaded shafts is screwed into one of the N multi-threaded holes via a head end thereof. Each of the N multi-threaded shafts has a manual part at a tail end thereof, wherein the manual part of each of the N multi-threaded shafts is capable of being operated to rotate the shaft relative to the bottom of the main body, so as to adjust a height of the equipment.
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