gyratory造句怎麼寫

When angular contact thrust ball bearings operate at high speeds, the centrifugal forces and gyratory moments acting on the balls may cause them to slide on the raceways.

Comminution refers to various crushing and grinding processes, through which the ore is decreased to a suitable particle size. The machines used for crushing are jaw crushers, gyratory crushers or cone crushers, and the machine used for grinding is ball mill.

Design of self-adjusting digital PID controller in gyratory compactor

hydrocone gyratory crusher

Engineers' gyratory testing machine (GTM) of U. s Corps was invented to solve questions which happened on flexible pavement, once used by the biggest and the most heavy bomber.