spindle bearingsの例文

例文

1. The device, a spindle bearing 36 wooden disks with letters carved on the outside-- was used by the U . S . Navy to successfully shield secret messages well into the 1960s.
2. They also typically use more powerful motors than a comparably sized drill press, with potentiometer-controlled speed and generally have more heavy-duty spindle bearings than a drill press to deal with the lateral loading on the spindle that is created by a milling operation.