Hollowayn.霍洛韦
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 structures空心结构
hollow sucker rod空心抽油杆
hollow floor slab空心楼板
hollow shell pill空心管桩
hollow core valve空心阀
Hollow gear shaft空心齿轮轴
hollow boring bit空心钻头
hollow projectile空心弹
hollowing village空心化村庄
hollow morphology中空形态