Mainly described are the working principles and structure features of the number marking device for the computer-controlled signal board.
主要介绍了微机控制标志板打号机的工作原理及结构特点。
The feet of the marking device are two aequilate and isopachous straight stripe feet, and the evenly divided scale and the ruler scale are engraved on the feet.
划线规的脚为等宽、等厚的两直条脚,并刻有等分刻度及直尺刻度。
The utility model relates to a line marking device for a race track for track and field.
本实用新型涉及一种田径跑道划线装置。
When the marking device is used at night, the luminous effect of the digital display device and the rotating lamp box is more remarkable, thus playing the role in propaganda to the utmost degree.
该标识装置在夜间使用时,数字显示装置和旋转灯箱的发光效果更为明显,最大程度发挥了宣传作用。
A removable marking device for a mold has a control mechanism that allows said indicator axle to rotate with said rotatable tube when said indicator axle rotates in the other direction.