Dawb txiav hlau yog hais txog cov hlau alloy uas ntxiv qee qhov ntawm ib lossis ntau qhov dawb txiav cov ntsiab lus xws li sulfur, phosphorus, txhuas, calcium, selenium, tellurium, thiab lwm yam los txhim kho nws cov machinability.Nrog lub automation, high-speed thiab precision ntawm txiav, nws yog ib qho tseem ceeb heev uas yuav tsum tau st ...
Nyeem ntxiv