单词	forepump
释义	forepump noun : a vacuum pump auxiliary to a more effective pump for which it supplies a first stage of exhaustion called also backing pump Word History Etymology fore- + pump
随便看	inspectorships inspectoscope inspectress inspectresses inspectrix inspects inspersion inspeximus insphere insphered inspheres insphering inspirable inspirate inspiration inspirational inspirationally inspirationist inspirationists inspirations inspirative inspirator inspirators inspiratory inspire

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