hollow metal meaning in English
空心金属
Examples
- Glossary of terms for hollow metal doors and frames
空心金属门和门框的术语汇编 - Test method for detention hollow metal vision systems
拘留用空心金属可视系统试验方法 - Specifications for commercial hollow metal doors and frames
商用空心金属门和框的规范 - Standard test methods for detention hollow metal vision systems
安全空心金属观察系统的标准试验方法 - Guide specifications for stainless steel hollow metal doors and frames
不锈钢空心金属门和框架指导性规范