不含氮的 meaning in English

nonnitrogenous
unazotized

" the key point is that the gulf of eilat is an oligotrophic sea , a sea that does not have nitrogen at all , " loya explained
洛亚解释道： “关键是埃拉特海湾是一片营养贫乏、完全不含氮的海域。 ”
Letter of declaration that all goods are azo dyes free , low cadmium and plastics parts are phthalate free signed by the supplier on their company ' s letterhead
公司声明在供应尚信签的抬头上显示所有的货物不含氮的染料,不含低镉及塑料部分不含酞酸盐