光栅尺有两个部分组成，在安装的时候要把这两个部分调节好，如果调节不好，

光栅尺有两个部分组成，在安装的时候要把这两个部分调节好，如果调节不好，就容易出现来回上下摩擦损坏，总而言之就是光栅尺的两部分不能有摩擦，要很自然的来回走动

ผลลัพธ์ (อังกฤษ) 1:

Grating has two parts, at the time of installation should regulate these two parts, if the regulator is not good, it is prone to damage back and forth rubbing up and down, in a nutshell is the grating can not have two parts rubbing back and forth to be a natural walk around

ผลลัพธ์ (อังกฤษ) 2:

Linear scale consists of two parts, when you install both sections have adjusted, if regulation is bad, it is easy for a back and forth up and down rubbing damage, in a nutshell is the linear scale friction in the two parts cannot have, take a nature walk

ผลลัพธ์ (อังกฤษ) 3:

The grating rule has two some compositions, must some adjust these two in the installment, if the adjustment is not good, is easy to present back and forth the high and low friction damage, in brief is two parts of grating rule cannot have the friction, must very natural pacing up and down