动力工具 冲击扳手 满足您需求的种类和范围 K3/8" K1/2" USE K3/4" K1" INTENSIVE USE NJ.3000F NS.3500G NK.3000F NM.3000F NJ.2000F2 NS.3100G NK.2000F2 NJ.1300F2 NS.1400F NK.1000F2 NM.1010LF2 NJ.1400F2 OCCASIONAL USE 352