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daim ntawv sau npe
Xws li PVC yeeb nkab & profile extrude, PP / PE daim ntawv khoom.
Hauj lwm
Cov ntsia hlau ntawm cov koob muaj feem ntau ntawm ob qho tib si cylindrical screws, uas tig mus rau qhov sib txawv. Parallel ob lub ntsia hlau rotational ceev yog tsawg, tsawg tshav kub, shear stability ntawm cov ntaub ntawv nyob rau hauv lub chim, uniform, ntsia hlau rau cov ntaub ntawv conveying muaj peev xwm yog muaj zog, muaj zoo tso nyhuv tib lub sij hawm, yog conducive rau stability ntawm cov khoom zoo.
