英语词汇“lightening hole”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	lightening hole
释义	lightening hole lightening hole [′līt·niŋ ‚hōl] (civil engineering) An opening cut into a strengthening member that decreases its weight without significantly altering its strength. lightening hole A hole cut in a piece of structural material in a relatively unstressed region to lighten the structure.
随便看	transaction control flow transaction control function transaction control network transaction control number transaction control unit transaction cost transaction cost analysis transaction cost economics transaction cost model transaction costs transaction count transaction data transaction database manager transaction data format transaction data network transaction data object transaction date transaction dates transaction delivery network transaction demand transaction demand for money transaction dump table transaction environment transaction executive transaction exposure

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