直火-+

direct drive motor

direct labor rate variance

normal direct solar irradiance【能源】

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

direct-current telegraphy, compensating variations

Excision and graft bypass or direct repair A-V fistula of chest or abdomen

direct confession

Excision and graft bypass or direct repair A-V fistula of chest or abdomen