Daim ntawv thov thiab xaiv cov ntaub ntawv nplaum
Kev siv cov khoom siv nplaum tshwj xeeb yog ua kom sib txuas ntau cov ntaub ntawv thiab ntxiv rau cov khoom siv sib xyaw ua kom zoo dua rau cov cement mortar lossis putty los txhim kho cov nplaum rau cov khoom siv, uas muaj ntau cov kev siv hauv kev siv sab hauv engineering.
Xaiv cov ntaub ntawv nplaum:
1. Them nyiaj rau ib puag ncig kev ua haujlwm. Cov ntaub ntawv nplaum ntau yog cov tshuaj lom ntau. Txawm hais tias qee qhov khoom siv nplaum, xws li 107 kua nplaum, tau txwv, lawv tseem siv hauv ntau cov haujlwm. Kev ua haujlwm ib puag ncig yog qhov tseem ceeb tshaj plaws rau kev xav txog thaum xaiv cov khoom siv nplaum.
2, kev xaiv ntawm qhov zoo tuaj yeem xa mus rau qhov kev xaiv ntawm cov hniav lo.