lifting hook（吊钩）是什么意思？音标发音+图解场景

吊钩 /ˈlɪftɪŋ ˈhandəl/ n

English: lifting hook · 吊钩

释义：Steel part that is attached to the traveling block; it is used to support the swivel and the drill pipes.

这个词出现在以下图解场景（1）