inflated guiding tire
/ɪnflˈeɪtɪd ˈɡaɪdɪŋ ˈtaɪə/
n
English · inflated guiding tire中文 · 充气导向轮胎Español · llanta neumática guíaFrançais · pneumatique de guidage
意味：Tire mounted at right angles to the carrying tire; it rolls against the guiding bar to guide the truck.