单词	Charpy machine
释义	Charpy machine noun Char·​py machine ˈshär(ˌ)pē- : a machine for measuring the breaking strength of materials under impact Word History Etymology after A. G. A. Charpy †1945 French engineer
随便看	pulse time modulation pulse width modulation pulse-jet engine pulse-warmer pulsebeat pulsed pulsejets pulser pulsers pulses pulsific pulsimeter pulsimeters pulsing pulsion pulsions pulsive pulsiveness pulsojets pulsometer pulsometers pultans pulton pultons pultoons

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