



On January 28, 2013, according to foreign media reports, Shell and North America's…

In January 2013, Pirelli Tire completed the modernization of the tire factory in Voronezh, Russia, and Pirelli operated the plant together with Russian Technologies.
Pirelli Tire said that the upgrade project for the Voronezh factory cost US$76 million to ins…

After several decades of development, China Drying News has made great progress in drying equipment…

Initially determine the displacement coefficient of the large gear x02x02=Wmin-W2msin(1) or x02=Smin-m22mtan(2) where: W is the common normal length of the standard gear with the same measured gear parameters, mm; W=mcos[( K-05) Zinv], k=180Z 12; Z number of gears to be measured; k-to-toot…
