Hello world!
What should I do with watermelon?
Watermelon crazy should pay attention to the following points: 1. Balance the application of phosphorus and potassium fertilizers, increase the application of organic fertilizers, and avoid partial application of nitrogen fertilizers, which can effectively reduce the phenomenon of watermelon madne ....
Hello world!
Defects in Electrophoretic Painting Process (1)
[China Aluminum Industry Network] Scratch generation process: electrophoretic painting causes: Electrophoretic painting definition: In the just after the electrophoretic painting material, attached to the acid produced by the flow pattern with a trace of gel. Phenomenon: Residual acid in the fixtu ....