单词 | pressure bar |
释义 | > as lemmaspressure bar pressure bar n. a bar in a machine used to apply force; spec. a device in a planing machine for holding down the material to be planed (now rare). ΚΠ 1850 Sci. Amer. 2 Nov. 49/2 G is the pressure bar or lever attached by pins to posts. 1876 Iron Age 20 Apr. 11/5 The pressure bar was the only and really best thing for holding down boards to be planed. 1998 Pop. Mech. (Nexis) Jan. 101 Press the pressure bar on the cutter across the face of the tile until it snaps along the scored line. < as lemmas |
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