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 thin wall steel shutter空腹薄壁钢百叶窗
hollow-fiber membrane module中空纤维膜组件
hollow thin-walled high pier空心薄壁墩
hollow pile configuration size空心桩构造尺寸
hollow sheath-core composite皮芯复合中空纤维
hollow-head screw and wrench空心螺塞和扳手
hollow fiber affinity membrane中空纤维亲和膜