-
Tsis tu ncua Thickness Screw Davhlau Winded ntawm Pwm
-
Flexible Auger Tshuab
-
Tapered Twisted daim kab xev Turbulators Ntxig rau Txhim Kho Thaum tshav kub kub hloov ntawm Hluav Taws Tube Gas Roj Chav Boiler
-
Segment Helical Hniav, yooj yim rau kev sib dhos thiab vuam
-
Nruam Kauv Hniav, nrog qhov tuab tas li, sawb winded ntawm kev ua tiav