• A-3 ~Wide Arch Rubber Expansion Joint

    A-3 ~ Dav Dav Roj Hmab nthuav tawm Kev Sib Koom Tes

    Cov txheej txheem dav dav yog cov pwm qhib qhov sib koom ua ke, nrog cov sib txuas sib txuas thiab tsis muaj qhov txuas hlau ntawm caj dab ntawm lub cev. Cov koov dav dav tso cai rau kev txav mus ntau dua thiab tus nqi caij nplooj ntoos hlav siab piv rau hom spool. WA thiab WAF yog siv rau kev lag luam dav dav roj hmab nthuav dav sib txuas. WAF tau ntim puv koov, nrog 50% ntawm WA tso cai tsiv, tab sis nws muaj 4 zaug lub caij nplooj ntoo hlav ntau dua qhov dav dav.