decis敌杀死, 溴氰菊酯Decn.十二月n.美国数字电子公司decanoylacetaldehyde sodium hydrosulfite癸酰乙醛亚硫酸氢钠decimeter wave instrument landing system分米波仪表着陆Dechlorination Process of depleted brine淡盐水脱氯工艺declining balance method of depreciation折旧余额递减法decarbonization and nitrification theory脱碳硝化原理decelerating and spinning characteristic减速导旋特性Decussation lemnisci of medulla oblongata延髓丘系交叉decamethylene-dimethyl azodicarboxylate偶氮二羧酸十亚甲基二甲酯DEC Development Economics Vice Presidency发展经济局decreasing demand for phosphate fertilizer磷肥需求下降