单词	economy of fuel
释义	economy of fuel 节约燃料
随便看	spring reducing valve spring reed spring reed release motion spring regulator spring reinforced eye spring-release spring release spring release hitch spring resonance spring-restrained accelerometer spring retainer spring retainer lock spring retaining in position spring retaining plate springreturn spring return spring-return spring-return button spring return button spring-return directional valve spring return directional valve spring return limit switch spring-return piston spring return piston spring-return switch 忿忿1 忿2 忿4 忿不顾身忿世嫉俗忿忿不平忿火中烧忿然作色怀书案书桌书桌儿书槅子书橱书法书牍书生书画书痴