Hotmelt kua nplaum
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Sab saum toj Hotmelt Glue Khoom: Txhim kho Bonding Efficiency | Yuav tam sim no
Nrhiav zoo hotmelt kua nplaum? Xaiv los ntawm ntau txoj kev xaiv rau txhua yam koj xav tau kev sib koom ua ke. Kav tam sim no rau txhim khu kev qha thiab ntau yam hotmelt nplaum.
