柱下机构

【电】 base of mast mechanism

柱的英语翻译：

column; columniation; cylinder; pillar; post
【化】 column
【医】 beam; column; columna; columnae; Pila; pilae; pillar; pivot; post; rod
trabecula; trabeculae

下的英语翻译：

below; descend; down; give birth to; give in; go to; leave off; lower; next
take
【医】 cata-; hyp-; infra-; kat-; sub-

机构的英语翻译：

institution; organization; framework; house; machine; mechanism; organ; outfit
setup; wheel
【化】 mechanism
【医】 institution; mechanism; organization