型号：Mod:7210 J1X-SH02-255 砂轮片直径Disc diameter φ255mm 电压Rated voltage 220V~ 频率Frequency 50Hz 输入功率Input power 1650W 切割能力Cut off the ability(diameter) 90O/70X126mm 45O/70X89mm 长度Length 510mm 空载转速No load speed 3800r/min 重量Weight 12.7kg