round-timber bulkhead

例句：

1. 1.The ship's round-timber bulkhead is a crucial safety feature.
   船的圆木舱壁是一个重要的安全特性。
2. 2.The engineers worked tirelessly to reinforce the ship's round-timber bulkhead.
   工程师们努力不懈地加固了船的圆木舱壁。
3. 3.The ship's round-timber bulkhead was designed to withstand high waves and winds.
   船的圆木舱壁被设计来承受高浪和风。