2022??11??7?????????????????????????????2022??11??4?????????????????????????2022??8??5????????????????й??????????????Resin Bonded Thin Wheels??????????y??????????????й????永???????????????

2021??6??7????????????????????????????Grindwell Norton Limited??Carborundum Universal Limited??????????????????????й???????????????????????顣2022??8??5??????????????????棬??????????????й??????????????????????????????????????й????永???????0??690.12???/???????????????Ч???5??????漰?????????68???μ??????永???????????300??????310????????????12??磩??345??????356?????14??磩???и?????????100??????107?????4??磩??178??????180?????7??磩??????????100??????110?????4??磩??120??????127?????5??磩????????????????????????1.6?????????? +/-0.15 ??????и???????????????????????????и???/???????????Χ??

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