 |
| Subject | Chinese | English |
| mil. | 加固超硬度地下井 | upgrading silo |
| space | 加固地下发射井 | upgraded silo |
| hydroel.st. | 加固地下井 | upgrading silo |
| UN | 加固地下井 | hardened Silo |
| space | 加固的地下发射井 | upgraded silo |
| space | 导弹地下发射井加固 | hardening of silos (防核的) |
|
| Subject | Chinese | English |
| mil. | 加固超硬度地下井 | upgrading silo |
| space | 加固地下发射井 | upgraded silo |
| hydroel.st. | 加固地下井 | upgrading silo |
| UN | 加固地下井 | hardened Silo |
| space | 加固的地下发射井 | upgraded silo |
| space | 导弹地下发射井加固 | hardening of silos (防核的) |