这是一款非常精确的尺子。
市面上的尺子App大部分都不精确。
同时，这还是一款比例尺，支持1:1到1:999999999。
This is a very precise ruler.
Most of the App on the market is not accurate.
At the same time, this is a scale, support 1:1 to 1:999999999.
这是一款非常精确的尺子。
市面上的尺子App大部分都不精确。
同时，这还是一款比例尺，支持1:1到1:999999999。
This is a very precise ruler.
Most of the App on the market is not accurate.
At the same time, this is a scale, support 1:1 to 1:999999999.