half-side（活动半边板）是什么意思？音标发音+图解场景

活动半边板 /ˈhɑːfsˈaɪd/ n

English: half-side · 活动半边板

释义：Half wall that is sometimes detachable; it facilitates the loading and unloading of the contents of the pallet.

这个词出现在以下图解场景（1）