burette with three-way stopcock的意思|示意
美 / bjuəˈret wið ˈθri:ˌweɪ ˈstɔpkɔk /
英 / bjʊˈrɛt wɪð ˈθriˌwe ˈstɑpˌkɑk /
带三路活塞的滴定管