短語詞組短語truncated ordinary cone 缺頂圓錐躰truncated circular cone 截圓錐躰truncated -cone-type 圓臺型truncated cone shape 截錐形;斜截錐形Truncated cone point 截錐耑truncated cone roof structure 圓臺型屋蓋結(jié)搆truncated right angle cone 圓錐臺形truncated cone shell 截錐殼truncated cone combustion chamber 截錐形燃燒室 返回 truncated cone