If you don't have suitable vertical surface, get a file holder that sits on the countertop.
如果没有合适的垂直平面可以利用，就在台面上放一个文件夹。
2
3 samples of vertical clip on the holder. Clip shoulds not be too tight or too loose, to prevent deformation or fall off.
将试样垂直夹在夹持器上。夹的不宜过紧或过松，以防止试样变形或脱落。
3
By dint of the design, the utility model can ensure the accuracy and the stability of the exchange cutter holder in vertical displacement and horizontal swinging.