He used a couple of bolsters to elevate his head.
他用兩個(gè)墊枕墊頭.
《簡明英漢詞典》
The double - row piles with both inclined and horizontal bolsters also analyzed in consideration of staged excavation.
本文亦分析了考慮開挖過程的安置斜撐與帶支撐的雙排樁支護(hù)結(jié)構(gòu).
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