vt.加油润滑;使润滑;
vi.润滑;
例句:
Clean or replace the diaphragm and lubricate the stem, if necessary.
清洗或更换隔膜, 如果必要的话,润滑阀杆.
Clean, inspect and lubricate machinery.
负责模具的清洗 、 检测和润滑.
Guide by nylon slide, lubricate well, lifting up and down stable.
尼龙滑块作导向, 润滑性好, 滑鞍升降平稳.