Hauj lwm lawm
Cov kav dej ua siv thib ob - txhais tes PE Yeeb Nkab Extrusion cov kab ntau lawm cov kab muaj qhov tseem ceeb. Txawm hais tias cov tshuab no qub, lawv feem ntau yog zoo {2} tswj thiab muaj peev xwm ua kom muaj siab- ua tau zoo, ruaj cov kav dej. Tus tsim pev pev yog lub teeb ci, corrosion - tiv taus zoo heev, ua kom zoo tshaj plaws rau kev tso dej, thiab cov pa roj teeb. Siv kev siv thib ob - kev tshuaj xyuas cov kab ntau lawm, muab cov tuam txhab tsim khoom tsis muaj kev daws teeb meem yam tsis muaj kev ua haujlwm zoo lossis cov qauv kev nyab xeeb.
Cim npe nrov: Thib Ob - Tes Pe Extrusion Yeeb Nkab Cov Kab Ntau Lawm, Tuam Tshoj Thib Ob Txhais Lus, Cov Chaw Muag Khoom