“hammer”的概念、定义、翻译、参考文献-科学参考

单词	hammer
释义	hammer [`ham·ǝr] ^{DESIGN ENGINEERING} 1. A hand tool used for pounding and consisting of a solid metal head set crosswise on the end of a handle. 2. An arm with a striking head for sounding a bell or gong. ^{GRAPHIC ARTS} The mechanism of an impact printer that presses the typeface against the ribbon and paper, or presses the paper against the ribbon and typeface. ^{MECHANICAL ENGINEERING} A power tool with a metal block or a drill for the head. ^ORDNANCE A metallic pivoted item in a firing mechanism designed to strike a firing pin or percussion cap and thus fire a gun.
随便看	balanced step balanced stock balanced surface balanced translocation balanced transmission line balanced-tree balanced valve balanced voltages balanced wire circuit balance equation balance error balance method balance pipe balancer balancer set balance shot balance spring balance tool balance-to-unbalance transformer balance wheel balancing balancing a survey balancing band balancing capacitor balancing delay

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