1. The cutting focus is on the workpieceIn this way, we also become a negative focal length, because the cutting point is not

What are the indispensable accessories for hydraulic shears?The hydraulic shearing machine is operated by the coordination of

1 cut1.1 Check whether the material and thickness of the sheet are correct in the figure, whether the surface of the sheet ha

A healthy body is the most important thing. After work, one cannot reduce the importance of the body. Physical examination is

Every year’s New Year’s party is the show I look forward to the most, even though I’m a year older and cry~The New Year party