fixed eed and quantity injectorfixed speed and quantity injector定速: constant speed定量: quantify; norm; ration; allo ...注射器: hypodermic syringe; syringe; ...微量注射器: micro syringe; microliter inyeetor; micrometer syringe; micropipettor; microsyringe单剂量注射器: single-dose syringe下载手机词典可随时随地查词查翻译
