词汇	lower nitrogen
释义	lower nitrogen 低氮
随便看	doubleiron plane double iron plane doubleiron pulley block double iron pulley block double irradiation double island arc Double Island Pt double-island station Double Isolation System double isomorphous replacement double isotope derivative method double isotope dilution double isotope dilution analysis double isotope dilution derivative method double isotope dilution method double isotope scintigraphy double isotope scintigrphy double isotrisomic double issue double iterative double iterative method Double J double-J double-jab double jack