搜索 - 科创

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量入式和量出式与体积有关的量具通常分为量出式（Ex）和量入式（In）两种。量出式的量具相对常见，一般的量筒、滴定管、移液管等都是量出式仪器，标有Ex字样。

直角尺全新，其他用过，塞尺17片红圈1折痕，内外径卡一大一小，螺旋测微器红圈2铭牌胶木缺了个角。全是计划经济时代产品质量可靠。左起：50元，10元，10元，50 元一起：拿去100元要的消息我，开淘...

机械加工中常常用到的量具有游标类，千分（螺旋）类和表类----所谓3大件；代表性的量具即是我们常常用到的游标卡尺，内（外)千分尺和百（千）分表。本人从事量具维修多年，有较丰富的维修经验。

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