| 摘要 |
Disclosed is a length/width adjustable combination jamb, including a first jamb section, a second jamb section, and an insertion part, in which the first jamb section is provided with a first jamb corner at one end and a first junction surface at the other; the second jamb section is provided with a second jamb corner at one end and a second junction surface at the other; the second and the first junction surface are structurally corresponding to each other; and, two ends of the insertion part are structurally corresponding to the first and the second junction surface, respectively.
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