“assessment drilling”的概念、定义、翻译、参考文献-科学参考

单词	assessment drilling
释义	assessment drilling [ǝ`ses·mǝnt ´dril·iŋ] ^{MINING ENGINEERING} Drilling to fulfill the requirement that a prescribed amount of work be done annually on an unpatented mining claim to retain title. Also known as annual labor.
随便看	cytosine cytoskeleton cytosol cytosome cytostome cytotaxis cytotechnologist cytotoxic cytotrophoblast cytotropic antibody cytotropism Czapek's agar Czochralski process D D1 trisomy D2 radio source DABS dac dachiardite Dacian dacite dacite glass Dacromycetales dacryoblennorrhea dacryocyst

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