中文字幕视频精品在线观看,国产精品成熟熟妇人体交换,日本专区中文字幕在线有码,在线亚洲精品电影,久碰是精品香蕉频线,香港三级片在线看

Standard humanized auxiliary design~

① Working light, to overcome the problem of weak working light intensity caused by high or far from the working point of the factory light;

② Hand held grinder socket, to eliminate the hidden danger of electricity safety caused by disordered wires caused by the long-distance pulling of the power line of the grinder;

③ The tool box avoids placing auxiliary parts such as grinding discs in the absence of proper specification area. The condition that the auxiliary parts are lost due to improper placement.