“tube plug”的概念、定义、翻译、参考文献-科学参考

单词	tube plug
释义	tube plug [`tüb ´plǝg] ^ENGINEERING A solid plug inserted into the end of a tube in a tube sheet.
随便看	grid-dip oscillator grid direction grid drive grid driving power grid element grid equator grid-glow tube grid heading gridiron pendulum gridistor grid latitude grid leak grid-leak detector grid limiter grid locking grid longitude grid magnetic angle grid meridian grid metal grid modulation grid navigation grid nephosope grid neutralization grid north grid parallel

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