The frame applies the square and hollow iron pipe so that the height and width of the vertical bushing and transverse bushing at the two sides can be telescopically adjusted.
该框架采用方型空心铁管,两侧竖向、横向套管均可伸缩调节高度、宽度。
A skin pricking device comprises first (12) and second (14) housing parts telescopically coupled together.
一种皮肤穿刺设备包括可伸缩地连接在一起的第一壳体部件(12)和第二壳体部件(14)。
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