型号US-350PW/US-450WB规格M4/M5类型气动扳手品牌URYU瓜生型号US-350PWUS-450WB能力mmM4M5转速rpm1600011000重量kg0.530.55长度mm121161平均耗气量0.20.2噪声级8180振动级2.52.3空气软管直径(内径)6.356.35推荐空气压力0.40.4刀头六角对边尺寸6.356.35)