1. Raws li qhov loj ntawm qhov ntim ntawm kev thauj mus los, nws tau muab faib ua: B500 B600 B650 B800 B1000 B1200 Feem ntau siv cov qauv xws li B1400 (B sawv rau qhov dav, hauv millimeters).Tam sim no, lub tuam txhab muaj peev xwm ntau tshaj plaws yog B2200mm conveyor siv.2. Raws li qhov sib txawv u...
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