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单词
portable standard meter
释义
portable standard meter
携带式标准仪表
随便看
speed of development
speed of engine
speed of escape
speed of evacuation
speed of exhaust
speed of formation
speed of free flexual wave
speed of instrument
speed of lens
speed of light
speed of light circle
speed of loading
speed of mainshaft
speed of melting
speed of motor
speed of perception
speed of photographic plate
speed of power
speed of pumping
speed of punch advance
speed of response
speed of return stroke
speed of rolls
speed of rotation
speed of rotation of motor
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