The key task of gear pumps is to convert mechanical energy (torque and rotational speed) into hydraulic energy (flow and pressure). To reduce heat loss, Our Parker series Gear pumps are designed to be extremely efficient. This efficiency is achiev...
I have been teaching for 33 years, of which 30 years of work have left this hot land behind. With the development of urbanization, the words "town center" have been subtracted from the school name, but there is a long way to go to catch up with urban schools and narrow the gap with...