词语主梁
解释cephalophorous;girder;main beam;main girder;primary beam;spar boom
主梁king piece;main supporting bar详细»
主梁〔名词〕main spar详细»
主梁kingpiece;kingpost;main beam;spar boom详细»
主梁main beam;main girder;steering pole详细»
主梁kingpost;main beam详细»