tshuaj pleev lub tsho tshuaj xyuas
Tshuaj pleev cov tshuaj kom pom zoo
Cov tshuaj pleev ib ce tshuaj ntsuam xyuas cov khoom muaj xws li: kev sib tw ntawm kev ua pa (kev kuaj cov pa roj paug thiab kev sib kis ntawm cov pa dej), kev sib txhuam coefficient (khoob rau cov khoom ntim), lub zog tensile thiab elongation, thiab kuaj kom pom, feem cuam tshuam kev kuaj, kev ntsuas thickness, hnyav residue nrhiav tau, luam zoo kuaj, thiab lwm yam.
Yam khoom







