1. 打凹成形：幼纹 smooth cut | 打凹成形 hollowing | 打凸成形 raising
2. 打凸成形：平头弧刀 square nose gouge | hollowing 打凸成形 | raising 打槽机 routing machine
3. 中空的：下背前拱 HOLLOW BACK | 中空的 HOLLOWING | 霍姆;韩亚 HOLM; HANYA (1898-1992)
1. Due to rain and wind corrosion, problems like hollowing and fracture began to appear.
2. This has led to what Prime Minister Yoshihiko Noda and Finance Minister Jun Azumi have called a " hollowing out " of Japan's economy.
3. Many people are unhappy about the " hollowing out " of the Hong Kong economy, but this is really a natural development arising from market forces.