词汇	main structure line
释义	main structure line 主体结构线
随便看	Direct displacement solution direct display direct display console direct display storage tube direct display storage unit direct-display storage unit direct dissemination direct dissolution of quartz direct distance direct distance dial direct distance dialing direct-distance dialing direct distance dialingddd direct distance dialing ddd direct distance dialing, DDD direct distance dialing network direct distance dialing netwrok direct distance dialing telephone direct distance dialling direct-distance dialling direct distance dial network direct distance input and output direct distance service direct distance surveying direct distarce dialing