刻线是一个汉语词语，读音是kè xiàn，是指用尖的器具在木头上刻线条。
日晷的主要部件是由一根晷针和刻有刻线的晷面组成，随着太阳在天空运行，晷针的投影像钟表指针一样在晷面上移动，就可以指示时辰。
The main parts of a sundial are an erect stylus and a calibrated disk. As the sun moves in the sky, the shadow of the stylus moves like a clock hand around the disk indicating the hours.
减速机以底面法兰侧面的四条刻线对准台板划线进行找正。
The gear reducer is aligned based on 4 mark lines on sides of bottom flange and bedplate marks.
置于锅盖上的双刻线压力表能显示工作时的内部压力与温度。
The pressure-meter on the lid displays the inside pressure & temperature when the apparatus is working.
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