名词
中文翻译：压舱筒
同义词：
['hull', "cylinder例句：1. The ship's hull is made of steel to withstand the waves.（船的外壳是用钢铁制成的，以承受海浪的冲击。）"]
例句：
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1. The ship's hull is made of steel to withstand the waves.
船的外壳是用钢铁制成的，以承受海浪的冲击。
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2. The engineer used a cylinder to measure the length of the pipe.
工程师用一个圆柱体来测量管道的长度。
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3.The carpenter was busy hulling the wooden box for storage.
木匠正在忙着给木箱做压舱，以便储存。