单词	hypoid
释义	hypoid /ˈhʌɪpɔɪd / (also hypoid gear) noun A bevel wheel with teeth engaging with a spiral pinion mounted at right angles to the wheel’s axis, used to connect non-intersecting shafts in vehicle transmissions and other mechanisms.Inside the diff, the hypoid ring-and-pinion gear is connected to the left and right half shafts via an electromagnetic clutch on each side.... Bevel and hypoid gears may be used to transmit power between shafts at practically any angle and speed. The swivels, rear end, and transfer case needed hypoids and we used up all we had filling those chambers. Origin 1920s: perhaps a contraction of hyperboloid.
随便看	propantheline pro-parent propargyl propargyl alcohol propargylamine propargylate propargylic propargylic acid propargylic ether proparoxyton proparoxytone proparoxytonic proparoxytonous propassion propatagial propatagium propazine Propecia proped propel propellable propellane propellant propeller propeller engine

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