英和和英

名詞

jacktop (複数形 jacktops)

1. The top of a jack.
   • 1952, The Radio Amateur's Handbook - Volume 29, page 329:

     The links should be provided with flexible leads which can be plugged into a pair of jacktop insulators mounted near the coil jack strip.

   • 1960, Laboratory Practice, page 259:

     For general laboratory use output may be taken from four insulated jacktop terminals on standard 3 in. spacing mounted on the front.

   • 1989, Piano Technician's Journal - Volume 32, page 5:

     A small butterfly spring between the side of the jacktop and the hammer butt replaces the familiar spring under the jack heel.