1. Returning to the green fertilizer When the wheat seedlings start to return to the green…
Model NO.: ASH71…
The Beijing Machine Tool Research Institute has been designated by the National “863â…
At present, the high-speed steel twist drill is still the main tool for drilling. This type of…
A good reception desk design can improve the image of the company and its employees, but i…
Symptoms of rust: Spotted water-like chlorotic plaques appear on the front of the leaves a…
In the lathe processing work, the inner and outer circle processing of complex shaped workpiec…
In this paper, the effects of titanium and boron refinement treatment on microstructure changes…
By adding a silicon carbide whisker material to the silicon nitride, the toughness is greatly …
When we machined two M6 threaded holes in the crankshaft (Fig. 1), we used a simple drill groo…