load support（负载支撑）是什么意思？音标发音+图解场景

负载支撑 /ˈləʊd səpˈɔːt/ n

English: load support · 负载支撑

释义：Rigid framework that supports the burner; the basket suspension cables are attached to it.

这个词出现在以下图解场景（1）