“niter balls”的概念、定义、翻译、参考文献-科学参考

单词	niter balls
释义	niter balls [`nīd·ǝr ´bȯlz] ^MATERIALS A pellet form of potassium nitrate, used as a fertilizer. Also known as sal prunella; throat balls.
随便看	line-controlled blocking oscillator line conversion line copy line cord line-cord resistor line cut line defect line discipline line displacement line dot matrix line drilling line driver line drop line-drop compensator line-drop signal line editor line engraving line equalizer line etching line facility line fault line feed line fill line filter line filter balance

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