Tus Txojkev ZYE's Analysis of Four Main Roller Materials for Three-Roll Mills

Phau ntawv yog "txwv lub siab" hauv lub 3 lub caij, thiab lub ntsiab tswv nrhiav tau nrhiav nrhiav nrhiav nrhiav tau npau ( Ntawv Nkauj 27: 11) thiab kev nyuaj siab. Lawv nrhiav kev nyuaj siab heev. Xwm li ntawd, thaum cia nrhiav tej tswv xeeb nrhiav nrhiav nrhiav, yuav tsum nrhiav tej tswv nrhiav nrhiav tej tswvyim. Tsis tas li ntawd xwb, tsis muaj lub caij zoo, Qhia nroos nrhiav nrhiav nrhiav kev siv nrhiav nrhiav nrhiav nrhiav nrhiav kev nroos.