作者：过期小孩

最近沉迷于发各种几毛几分的工具爆料，好多值友们评论说不知道质量怎么样，正好我这边到货了两款一分钱的卷尺，今天拆开来看看内部质量做工怎么样。

这两把尺子，5米款牌子叫鼎良，3米款牌子叫超群，以下就用5米、3米来代指它们。

3米款外观是黑色塑料材质

五米款是透明塑料材质

3米款采用的是自动卡笋结构，卷尺拉出来会自动锁住，需按压红色按键才能回缩

5米款则是传统的上推锁止，拉出来会自动回缩，需上推黄色按钮才能卡住

拆开看下内部构造

可以看到，3米款的内部有棘轮结构，5米款则没有

不过这个棘轮的卡笋是塑料的，也不知道耐用不耐用

3米总长3米，5米总长5米，（这不废话么）没有部分值友说的缩水的情况

两把尺子刻度都一样，下面用游标卡尺试一下精度

游标卡尺取100毫米，卷尺取10公分到20公分之间一段，可以看到，几乎无无差别

总结来说：一分钱还包邮，要啥自行车，待我下次看到还有一分钱的车继续发爆料，值友们冲冲冲

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吕岚夏3965米尺,学生用尺,45度三角尺,60度三角尺,卷尺的测量范围和最小刻度. -
郭屠伟17883777627 ______ 米尺,cm 学生用尺,mm 45度三角尺,mm 60度三角尺,mm 卷尺cm 的测量范围和最小刻度.

吕岚夏3965软卷尺是公分还是厘米 -
郭屠伟17883777627 ______ 公分就是厘米的老的叫法.上世纪50年代,现在的厘米,当时叫做公厘,公分,而公分的叫法一直在民间延习到现在.

吕岚夏3965卷尺的最小单位是毫米吗,还有一公分是一厘米吗 -
郭屠伟17883777627 ______ 小卷尺的最小单位是毫米,但大卷尺的最小单位是厘米,即公分

吕岚夏3965鲁班卷尺有10米的吗?
郭屠伟17883777627 ______ 没有10米的.有5米、5.5米、8米.

吕岚夏3965卷尺这样读对吗15公分 -
郭屠伟17883777627 ______ 对,读15公分,也可读15厘米,这两种读法都复合.

吕岚夏39650.28分米怎样在10厘米的尺子上表示? -
郭屠伟17883777627 ______ 0.28分米=2.8厘米,你只需在10厘米尺子的2.8厘米处做标记就可以了.

吕岚夏3965在测量学生课桌的高度时,下列各种刻度尺中应该优先选择( ) -
郭屠伟17883777627 ______[选项] A. 3m长的厘米皮卷尺 B. 20cm长的毫米直尺 C. 1m长的毫米钢卷尺 D. 10cm长的游标卡尺

吕岚夏3965少十公分的圈尺 -
郭屠伟17883777627 ______ 十公分是十厘米,一米一百厘米,一米是三尺,也就是三十寸,所以十公分是三寸,或者0.3尺