| 释义 |
back lining短语⁹⁶⁶⁷⁷⁺⁶
基本例句
腔背,背衬,安全衬砖层
The thermal conductivity of these materials has increased considerably, demanding materials with high refractoriness and low thermal conductivity as a back-up lining.这些材料的热导率增加很多，作为背衬要求材料具有耐火度高和热导率低。
Back off the wall with bricks.用砖作墙的背衬。 |