【化】 胶乳直接铸型

direct current

direct with burning cartridge for internal-combustion engines

direct epifluorescent filter technique

on-column direct laser detection

direct【科技】;immediate【科技】;straightforward【科技】

direct-pick-up receiver (repeater receiver)

speed conversion dc telegraphy (direct-current telegraphy)

direct-current telegraphy, compensating variations