空管 meaning in Chinese
blank pipe
dry pipe
Examples
- Hollow pipe examination in electomagnetic flowmeter
电磁流量计的空管检测 - Application of two redundancy network in air traffic control
双冗余网在空管系统中的应用 - Radar networking in air administration and its technical analyse
空管雷达组网及技术分析 - Fig . 1 visit by a delegation from caac atmb
图一空管局代表团到访 - Boeing names nagpur as site of mro facility in india
总局空管局2006度工作总结暨表彰大会在京召开