5) tape marker 磁带始端标记,磁带终端标记,磁带标记 6) EOT 磁带末端标记 补充资料:磁带末端标记 分子式: CAS号: 性质:在12.7mm宽计算机磁带的始端和末端,各贴有光反射标记,前者叫BOT,后者叫EOT,用途是在计算机磁带工作时用以指明可记录区域的范围。反射标记贴在非磁性层一面,其长度为(28±5)mm,宽度(4.8±0.5)mm,厚为20μm。 说明:补充资料仅...
青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译!Marker pen is a tool for the fastest performance the relationship between black and white, because it is quick drying, nib is wide, and will have different levels of light and shade color piece ...
阅读时间4分钟单词数32在书中,孩子将会读到可以用来写作的不同工具。Write with a stick.用棍子来写。Write with a crayon.用蜡笔来写。Write with a marker.用记号笔来写。Write with a brush.用毛笔来写。Write with a pencil.用铅笔来写。Write with a pen.用笔来写。Write with a finger.用手指来写...