الواصلة
Ball valveالتركية النطق
bôl välvالنطق
/ˈbôl ˈvalv/ /ˈbɔːl ˈvælv/
علم أصول الكلمات
[ 'bol ] (noun.) 13th century. Middle English bal, from Old Norse bollr; akin to Old English bealluc testis, Old High German balla ball, Old English blAwan to blow.