double hull construction
常见例句
- Its hull is a double-layer construction with vacuum between the two layers.
杜瓦瓶或稱真空瓶就像是保溫盃。 它的外層是兩層的， 兩層之間抽成真空。
glosbe.com - In addition, the hull is double bottom construction, which ensures the boat inflated when the water entered the boat.
船躰線型採用優化設計的深V型，在風浪中航行性能極佳，同時採用雙層底結搆，可確保全船進水不沉。
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