English中文EspañolFrançais
hoisting block /ˈhɔɪstɪŋ ˈblɒk/ n

中文：起重滑车

中文 · 起重滑车Español · garrucha montacargaFrançais · treuil de levage
Meaning：System of pulleys that work with the trolley pulley to improve leverage to lift heavy loads.
▶ Start interactive picture-tap lesson

Found in these illustrated scenes（1）

Tower crane

‹ Browse all scenes