标签：Shafts - 英国华人论坛

It's important to know what kind of materials you have in your golf clubs, whether you're buying new shafts, customized golf clubs, or a used set like Callaway preowned ladies golf clubs. Your golf equipment, and the material that it is made...英国华人论坛

In the last issue, we discuss about shaft seals and how liquid is prevented from coming out from the pump housing even though the shaft is rotating. http://www.free-engineering.com/fwezine30.htmSome mechanical seals are made to very fine tol...英国华人论坛