掩护支架

[yǎn hù zhī jià]

掩护支架的英文翻译

基本释义

• shield support
• protective shield
• goaf shield
• protecting apron
• shield
• caving shield

参考释义

掩护支架 [yǎn hù zhī jià]

• - shield support
• 短语
  掩护支架开采法{矿} shield mining method; shield mining system