单词	堵块
释义	堵块 dǔ kuài {工} sprue
随便看	conventional lightning impulse withstand voltage conventional liquid chromatography conventional lithography conventional load conventional loading conventional load voltage conventionally conventionally cooled generator conventionally-fired power conventionally-fired power plant conventionally true surface emission rate conventionally true value of a quantity conventional machine mining conventional machine mining conventional magnet conventional market conventional mass conventional maximum lightning overvoltage conventional maximum overvoltage conventional maximum switching overvoltage conventional measurement conventional medicine conventional memory conventional method conventional micrometre of mercury