固定构件为带有马牙榫、马牙榫槽的固定板。
The fixed unit is a fixed plate with a dovetailed tenon and a dovetailed tenon mortise.
本实用新型涉及一种石膏板墙体挂钉辅助套，属于紧固或固定构件技术领域。
The utility model relates to a hanging nail assistant sleeve on the wall body of a gypsum board, which belongs to the technical field of fastening or fixing components.
以及指示部，用于显示装置主体的操作方法，所述固定构件覆盖所述指示部的至少一部分。
The fixing member fixing the protecting member covers a part of an indicating portion, which displays operating instructions of the apparatus main body.
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