“placic horizon”的概念、定义、翻译、参考文献-科学参考

单词	placic horizon
释义	placic horizon [`plā·sik hǝ`rīz·ǝn] ^GEOLOGY A black to dark red soil horizon that is usually cemented with iron and is not very permeable.
随便看	sieve of Eratosthenes sieve plate sievert sieve shaker sieve texture sieve tissue sieve tray sieve tube sieving siffanto sift Sigalionidae Siganidae Sigatoka sight sight aperture sight base sight bracket sight check sight distance sight extension sight-feed sight glass sighting sighting angle

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