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 d
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...
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±...