Dab tsi yog qhov specifications thiab qauv ntawm qib peb-qib rebar?Tam sim no, kev faib tawm ntawm cov hlau qib peb feem ntau yog nyob ntawm nominal txoj kab uas hla.Cov ntsiab lus tseem ceeb yog 8, 10, 12, 14, 16, 18, 20, 25, 30, 32, 40, 50, thiab lwm yam. Tsis tas li ntawd, yog tias muaj lwm yam tshwj xeeb hauv daim ntawv cog lus, Yog tias ...
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