英语词汇“needle coal”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	needle coal
释义	needle coal needle coal [′nēd·əl ‚kōl] (mineralogy) Lignite containing fibrous needle-shaped masses formed from the vascular bundles of palm stems.
随便看	pulse radar pulse radio pulse radio communication pulse radiolysis pulser and recorder pulse rate pulse rate modulation pulse rate repetition pulse-rate telemetering pulse ratio modulation pulse reactor pulse reading pulse rebalance loop pulse recurrence frequency pulse recurrence period pulse recurrence rate pulse recurrence/repetition frequency pulse recurrence time pulse regeneration pulse repeater pulse repetition frequency pulse repetition frequency discrimination pulse repetition interval pulse repetition period pulse repetition per minute

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