hollowadj.空的;空洞的;凹陷的;虚伪的;(声音)沉闷的n.山谷;洞;窟窿vt.挖空vi.形成空洞adv.完全地;彻底
hollow wallboard molding machine空心墙板成型机
hollow fibre for reverse osmosic反渗透纤维
hollow fibre for reverse osmosis反渗透纤维
hollow-eyed from lack of sleep因缺乏睡眠而双眼凹陷的
hollow containers leak detection中空容器检漏
hollow cathode metal vapor laser空心阴极金属蒸气激光器
hollow sphere vanadium pentoxide五氧化二钒中空微球
hollow floorslab cast-in place现浇空心楼板
hollow-through type DTH hammer贯通式潜孔锤
hollow hot plate hydraulic press空心热板水力压呢机