单词	beta curve
释义	beta curve 脉冲曲线
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 得意洋洋得意门生得手应心得月较先得未尝有得未曾有得步进步得而复失得胜回朝得胜头回守约守经达权守职守节守诺守贞守财奴守身守车守钱奴