roof beam
常见例句
- At last they got to the point of installing the roof beam .
最後,工程進行到安裝屋頂大梁這一緊要步驟了。 - He said, My friends, we cannot use fresh green wood to make the roof beam .
他說:朋友們,新鮮的木材來不能用來制造,它會變彎竝下陷的。 - Then he secretly constructed the most important part of the building, the roof beam that would hold the roof together.
然後,他私下造好了工程中最重要的部分–支撐整個屋頂的大梁。 - Sound danced from floor to roof beam.
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