单词	tractor feed
释义	tractor feed trac′tor feed` n. a mechanism for moving paper in a computer printer by means of pins that catch in perforations along the paper's sides. tractor feed tractor feed sprocket feed tractor feed A tractor feed is a "pin feed" mechanism that moves continuous sheets of paper with perforated holes on both sides across the print head of a printer. Contrast with sheet feeder. See continuous forms. Tractor Feed This tractor feed pulls the paper through the printer from the bottom to the top. The pins on a sprocket grab the paper by pushing through the holes at both sides of the forms. Tractor Feed This tractor feed pulls the paper through the printer from the bottom to the top. The pins on a sprocket grab the paper by pushing through the holes at both sides of the forms.
随便看	sppt spptp sppu sppv sppvm sppwc sppwf sppy spq spqa spqb spqc spqcr spqd spqin spql spqm spqr spqrc sp-qrgb spqrp spqsl spqt spqte s&pr

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