油管扳手
/ˈfleə ˈnʌt ˈɹɛntʃ/
n
English: flare nut wrench · 油管扳手
English · flare nut wrenchEspañol · llave de estrella abiertaFrançais · clé polygonale à têtes fendues
释义：Wrench with two many-sided heads, designed mainly to tighten plumbing joints.