Kub-kuav los tiag puag ncig lub hlau yog ib lo lus kev siv rau kev lag luam hlau, hom ntawm cov hlau hloov, thiab belongs rau steel rau kev tsim kho. Qhov tshwj xeeb ntawm kub-dov round hlau yog 5.5-250 hli. Ntawm lawv, cov hlau kheej me me ntawm 5.5-25mm feem ntau muab rau hauv cov hlua khov, uas feem ntau siv ua cov kav hlau, txuas thiab ntau yam khoom siv: kub-kuav los puag ncig cov hlau loj dua 25 hli, feem ntau yog siv rau kev tsim cov khoom kho tshuab lossis ua seamless hlau. hlab ntsuas pa.
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