精品国产一区丝袜免费网站_最新国产毛片在线_最近中文字幕在线精品视频_中国成人一级毛片免费_国产成年女人视频免费观看_海量麻豆激情视频资源_亚洲无毛精品在线观看_女被男狂揉吃奶胸60分钟视频_精品久久一区二区三区毛片_亚洲精品无码白丝喷白浆在线

Hydraulic motor pump should be prepared before using three working is introduced as follows:

First, use the machine to check the voltage of the unit before, and check the plug and socket have didn't connect well.

Second, connect a high-pressure oil pipeline on the joint of native and the other end connected with the type of tool you need.

Third, before use, please pay attention to both ends of the rapid joint lock in place, must be quick joint head forcibly to the end, on the premise of not relax screwing in coat type nut. If not lock in place will appear oil can't through the phenomenon, which makes the machine have no action.