ground crew

people at an airfield whose job is to repair, refuel, etc aircraft （机场的）地勤人员.

grommet, groom, groove, grooved, groovy, grope, gropingly, gross, gross national product, grossly, grossness, grotesque, grotesquely, grotesqueness, grotto, grotty, grouch, grouchy, ground, ground control, ground floor, ground rule, ground speed, ground staff, ground swell, ground-bait, ground-nut, ground-plan, ground-rent, grounded, grounding, groundless, groundlessly, grounds, groundsel, groundsheet, groundsman, groundwork, group, group captain,