1. Daim ntawv thov ntawm calipers Lub caliper tuaj yeem ntsuas lub puab lub cheeb, sab hauv txoj kab uas hla, ntev, dav, thickness, kauj ruam sib txawv, qhov siab, thiab qhov tob ntawm cov khoom; lub caliper yog qhov feem ntau siv thiab yooj yim tshaj plaws thiab nquag siv ntsuas ntsuas ntawm qhov chaw ua haujlwm. Digital Caliper: ...
Nyeem ntxiv