英语词汇“pinch-and-swell structure”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	pinch-and-swell structure
释义	pinch-and-swell structure pinch-and-swell structure [¦pinch ən ′swel ‚strək·chər] (geology) A structural condition common in pegmatites and veins of quartz in metamorphosed rocks; the vein is pinched at frequent intervals, leaving expanded parts between.
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