[化学 冶金] 多价螯合剂,除垢 sequestering agent: (金属离子)螯合剂; 多价合剂; 掩蔽剂; 隐蔽剂; 螯合介质alginate dental sequestering agent: 海藻酸盐牙科分离剂iron sequestering agent: 铁多价螯合剂organic sequestering agent: 有机螯合剂resin sequestering agent: 树脂螯合剂下载手机词典可随时随地查词查翻译