servo surface造句

The remaining 3 platters give 5 data surfaces and one servo surface for head positioning.
The remaining 10 platters give 19 data surfaces and one servo surface for head positioning.
These were also servo assisted, with the servo surfaces mounted well behind the rudders'trailing edges on outriggers.
Originally both spades and the rudder had a pair of servo surfaces close to it . ( image, right)
Common to both the 80 MB and 300 MB disks, they have 823 cylinders and the servo surface is on one of the central platters.
It's difficult to find servo surface in a sentence. 用servo surface造句挺难的