一种定义
四种语言
0,1,2
- 德國
- 英語
- 中國
- 西班牙語
中空 (adj)
hohl (adj)
hollow (adj)
The outer punch is known as a hollow upsetting punch.
The elastic hollow-chambered plastic profiles are pushed into the grooves of Line 8 profile.
The die is supported by a stationary hollow punch and inserted into the container.
